diff --git a/qiita_pet/handlers/api_proxy/studies.py b/qiita_pet/handlers/api_proxy/studies.py
index 58af3f0ac..94ea0bc69 100644
--- a/qiita_pet/handlers/api_proxy/studies.py
+++ b/qiita_pet/handlers/api_proxy/studies.py
@@ -206,6 +206,7 @@ def study_prep_get_req(study_id, user_id):
     prep_info = defaultdict(list)
     editable = study.can_edit(User(user_id))
     for dtype in study.data_types:
+        dtype_infos = list()
         for prep in study.prep_templates(dtype):
             if prep.status != 'public' and not editable:
                 continue
@@ -214,11 +215,18 @@ def study_prep_get_req(study_id, user_id):
                 'name': prep.name,
                 'id': prep.id,
                 'status': prep.status,
+                'total_samples': len(prep),
+                'creation_timestamp': prep.creation_timestamp,
+                'modification_timestamp': prep.modification_timestamp
             }
             if start_artifact is not None:
                 youngest_artifact = prep.artifact.youngest_artifact
                 info['start_artifact'] = start_artifact.artifact_type
                 info['start_artifact_id'] = start_artifact.id
+                info['num_artifact_children'] = len(start_artifact.children)
+                info['youngest_artifact_name'] = youngest_artifact.name
+                info['youngest_artifact_type'] = \
+                    youngest_artifact.artifact_type
                 info['youngest_artifact'] = '%s - %s' % (
                     youngest_artifact.name, youngest_artifact.artifact_type)
                 info['ebi_experiment'] = len(
@@ -228,9 +236,15 @@ def study_prep_get_req(study_id, user_id):
                 info['start_artifact'] = None
                 info['start_artifact_id'] = None
                 info['youngest_artifact'] = None
-                info['ebi_experiment'] = False
+                info['ebi_experiment'] = 0
 
-            prep_info[dtype].append(info)
+            dtype_infos.append(info)
+
+        # default sort is in ascending order of creation timestamp
+        sorted_info = sorted(dtype_infos,
+                             key=lambda k: k['creation_timestamp'],
+                             reverse=False)
+        prep_info[dtype] = sorted_info
 
     return {'status': 'success',
             'message': '',
diff --git a/qiita_pet/handlers/api_proxy/tests/test_studies.py b/qiita_pet/handlers/api_proxy/tests/test_studies.py
index 7adc7ac81..74826ab47 100644
--- a/qiita_pet/handlers/api_proxy/tests/test_studies.py
+++ b/qiita_pet/handlers/api_proxy/tests/test_studies.py
@@ -11,6 +11,7 @@
 from os import remove
 from shutil import rmtree
 from tempfile import mkdtemp
+from collections import defaultdict
 
 import pandas as pd
 import numpy.testing as npt
@@ -228,15 +229,19 @@ def test_study_prep_get_req_failed_EBI(self):
 
         # actual test
         obs = study_prep_get_req(study.id, user_email)
+        temp_info = defaultdict(list)
+        temp_info['16S'] = [
+            {"status": 'sandbox',
+             'name': 'Prep information %d' % pt.id,
+             'start_artifact': None, 'youngest_artifact': None,
+             'ebi_experiment': False, 'id': pt.id,
+             'start_artifact_id': None,
+             'creation_timestamp': pt.creation_timestamp,
+             'modification_timestamp': pt.modification_timestamp,
+             'total_samples': 3}]
+
         exp = {
-            'info': {
-                '16S': [
-                    {'status': 'sandbox',
-                     'name': 'Prep information %d' % pt.id,
-                     'start_artifact': None, 'youngest_artifact': None,
-                     'ebi_experiment': False, 'id': pt.id,
-                     'start_artifact_id': None}]
-            },
+            'info': temp_info,
             'message': '',
             'status': 'success'}
         self.assertEqual(obs, exp)
@@ -516,24 +521,43 @@ class TestStudyAPI2(TestStudyAPI):
     # This test expects a clean DB so creating it's own class
     def test_study_prep_get_req(self):
         obs = study_prep_get_req(1, 'test@foo.bar')
+        obs_info = obs['info']['18S']
+        temp_info = defaultdict(list)
+        temp_info['18S'] = [{
+            'id': 1,
+            'status': 'private',
+            'name': 'Prep information 1',
+            'start_artifact_id': 1,
+            'start_artifact': 'FASTQ',
+            'youngest_artifact': 'BIOM - BIOM',
+            'youngest_artifact_name': 'BIOM',
+            'youngest_artifact_type': 'BIOM',
+            'num_artifact_children': 2,
+            'total_samples': 27,
+            'ebi_experiment': 27,
+            'modification_timestamp':
+                obs_info[0]['modification_timestamp'],
+            'creation_timestamp':
+                obs_info[0]['creation_timestamp']}, {
+            'id': 2,
+            'status': 'private',
+            'name': 'Prep information 2',
+            'start_artifact': 'BIOM',
+            'youngest_artifact': 'BIOM - BIOM',
+            'youngest_artifact_name': 'BIOM',
+            'youngest_artifact_type': 'BIOM',
+            'total_samples': 27,
+            'num_artifact_children': 0,
+            'ebi_experiment': 27,
+            'start_artifact_id': 7,
+            'modification_timestamp':
+                obs_info[1]['modification_timestamp'],
+            'creation_timestamp':
+                obs_info[1]['creation_timestamp']
+        }]
         exp = {'status': 'success',
                'message': '',
-               'info': {
-                   '18S': [{
-                       'id': 1,
-                       'status': 'private',
-                       'name': 'Prep information 1',
-                       'start_artifact_id': 1,
-                       'start_artifact': 'FASTQ',
-                       'youngest_artifact': 'BIOM - BIOM',
-                       'ebi_experiment': 27}, {
-                       'id': 2,
-                       'status': 'private',
-                       'name': 'Prep information 2',
-                       'start_artifact': 'BIOM',
-                       'youngest_artifact': 'BIOM - BIOM',
-                       'ebi_experiment': 27,
-                       'start_artifact_id': 7}]}}
+               'info': temp_info}
         self.assertEqual(obs, exp)
 
         # Add a new prep template
@@ -543,30 +567,20 @@ def test_study_prep_get_req(self):
             pd.DataFrame({'new_col': {'1.SKD6.640190': 1}}),
             qdb.study.Study(1), '16S')
         obs = study_prep_get_req(1, 'test@foo.bar')
+        temp_info['16S'] = [{'id': pt.id,
+                             'status': 'sandbox',
+                             'name': 'Prep information %d' % pt.id,
+                             'creation_timestamp': pt.creation_timestamp,
+                             'modification_timestamp':
+                                 pt.modification_timestamp,
+                             'total_samples': 1,
+                             'start_artifact_id': None,
+                             'start_artifact': None,
+                             'youngest_artifact': None,
+                             'ebi_experiment': 0}]
         exp = {'status': 'success',
                'message': '',
-               'info': {
-                   '18S': [{'id': 1,
-                            'status': 'private',
-                            'name': 'Prep information 1',
-                            'start_artifact_id': 1,
-                            'start_artifact': 'FASTQ',
-                            'youngest_artifact': 'BIOM - BIOM',
-                            'ebi_experiment': 27},
-                           {'id': 2,
-                            'status': 'private',
-                            'name': 'Prep information 2',
-                            'start_artifact_id': 7,
-                            'start_artifact': 'BIOM',
-                            'youngest_artifact': 'BIOM - BIOM',
-                            'ebi_experiment': 27}],
-                   '16S': [{'id': pt.id,
-                            'status': 'sandbox',
-                            'name': 'Prep information %d' % pt.id,
-                            'start_artifact_id': None,
-                            'start_artifact': None,
-                            'youngest_artifact': None,
-                            'ebi_experiment': 0}]}}
+               'info': temp_info}
         self.assertEqual(obs, exp)
 
         obs = study_prep_get_req(1, 'admin@foo.bar')
@@ -574,16 +588,27 @@ def test_study_prep_get_req(self):
 
         qdb.artifact.Artifact(1).visibility = 'public'
         obs = study_prep_get_req(1, 'demo@microbio.me')
+        temp_info = defaultdict(list)
+        temp_info['18S'] = [{
+            'id': 1,
+            'status': 'public',
+            'name': 'Prep information 1',
+            'start_artifact_id': 1,
+            'start_artifact': 'FASTQ',
+            'youngest_artifact': 'BIOM - BIOM',
+            'youngest_artifact_name': 'BIOM',
+            'youngest_artifact_type': 'BIOM',
+            'num_artifact_children': 2,
+            'total_samples': 27,
+            'ebi_experiment': 27,
+            'modification_timestamp':
+                obs_info[0]['modification_timestamp'],
+            'creation_timestamp':
+                obs_info[0]['creation_timestamp']}]
+        temp_info['16S'] = []
         exp = {'status': 'success',
                'message': '',
-               'info': {
-                   '18S': [{'id': 1,
-                            'status': 'public',
-                            'name': 'Prep information 1',
-                            'start_artifact_id': 1,
-                            'start_artifact': 'FASTQ',
-                            'youngest_artifact': 'BIOM - BIOM',
-                            'ebi_experiment': 27}]}}
+               'info': temp_info}
         self.assertEqual(obs, exp)
         # Reset visibility of the artifacts
         for i in range(4, 0, -1):
diff --git a/qiita_pet/templates/study_ajax/data_type_menu.html b/qiita_pet/templates/study_ajax/data_type_menu.html
index 706cfb85b..bf42b39c2 100644
--- a/qiita_pet/templates/study_ajax/data_type_menu.html
+++ b/qiita_pet/templates/study_ajax/data_type_menu.html
@@ -1,5 +1,16 @@
 {% from qiita_core.qiita_settings import qiita_config %}
 
+<style>
+  .green {
+    color: green;
+  }
+
+  .red {
+    color: red;
+  }
+</style>
+
+
 <script type="text/javascript">
   function toggle_color_prep(div){
     div.parent().children().each(function() {
@@ -9,6 +20,8 @@
   }
 </script>
 
+<!-- <script src="https://use.fontawesome.com/0c9cdb020f.js"></script> -->
+
 {% if prep_info %}
   <h3>Data Types <small>(click on the tabs)</small></h3>
   <div class="panel-group" id="accordion" role="tablist" aria-multiselectable="true">
@@ -27,15 +40,14 @@ <h4 class="panel-title">
           <div class="panel-body" style="padding: 0px 0px 0px 0px; border: none;">
             {% for prep in prep_info[dt] %}
               <div class="panel-body-element" style="padding: 20px 20px 20px 20px;">
-                {% if prep['ebi_experiment'] %}
-                  <img src="{% raw qiita_config.portal_dir %}/static/img/ena.png" style="width:20px;height:20px;"> ({{prep['ebi_experiment']}})
-                {% end %}
+                Samples: {{ prep['total_samples'] }}{% if prep['ebi_experiment'] %}, <img src="{% raw qiita_config.portal_dir %}/static/img/ena.png" style="width:20px;height:20px;"> {{prep['ebi_experiment']}} {% end %}
                 <a href="#" style="display:block;color:black;" onclick="toggle_color_prep($(this).parent()); populate_main_div('{% raw qiita_config.portal_dir %}/study/description/prep_template/', { prep_id: {{prep['id']}}, study_id: {{study_id}} });">
                   <span id="prep-header-{{prep['id']}}">
-                    {{prep['name']}} - ID {{prep['id']}} - {{prep['status']}}
+                    {{prep['name']}} - ID: {{prep['id']}} - {{prep['status']}}
                   </span><br/>
-                  {{prep['start_artifact']}} - ID {{prep['start_artifact_id']}}<br/>
-                  {{prep['youngest_artifact']}}
+                    Raw files {% if prep['start_artifact'] == 'FASTQ' %}<i class="fa fa-check green"></i>{% else %}<i class="fa fa-times red"></i>{% end %}, processed {% if prep['num_artifact_children'] > 0 %}<i class="fa fa-check green"></i> {% if prep['num_artifact_children'] > 1 %} <i class="fa fa-check green"></i>{% end%}{% else %}<i class="fa fa-times red"></i>{% end %}, BIOM {% if prep['youngest_artifact_type'] == 'BIOM' %}<i class="fa fa-check green"></i>{% else %}<i class="fa fa-times red"></i>{% end %}
+                  <br />
+                  Created: {{prep['creation_timestamp'].strftime('%B %-d, %Y')}}, last updated: {{prep['modification_timestamp'].strftime('%B %-d, %Y')}}
                 </a>
               </div>
             {% end %}