Unable to download NASA podcasts via youtube-dl when you can download them.

[shirishag75]

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Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2018.10.29. If it's not, read this FAQ entry and update. Issues with outdated version will be rejected.

• I've verified and I assure that I'm running youtube-dl 2018.10.29

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• At least skimmed through the README, most notably the FAQ and BUGS sections
• Searched the bugtracker for similar issues including closed ones
• Checked that provided video/audio/playlist URLs (if any) are alive and playable in a browser

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• Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
• Feature request (request for a new functionality)
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~/games/youtube-dl$ ./youtube-dl --verbose -F "https://mars.nasa.gov/insight/multimedia/podcast/on-a-mission-s1e1"[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'--verbose', u'-F', u'https://mars.nasa.gov/insight/multimedia/podcast/on-a-mission-s1e1']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2018.10.29
[debug] Python version 2.7.15+ (CPython) - Linux-4.18.0-2-amd64-x86_64-with-debian-buster-sid
[debug] exe versions: ffmpeg 4.0.2-2, ffprobe 4.0.2-2, phantomjs 2.1.1, rtmpdump 2.4
[debug] Proxy map: {}
[generic] on-a-mission-s1e1: Requesting header
[redirect] Following redirect to https://mars.nasa.gov/insight/multimedia/podcast/on-a-mission-s1e1/
[generic] on-a-mission-s1e1: Requesting header
WARNING: Falling back on generic information extractor.
[generic] on-a-mission-s1e1: Downloading webpage
[generic] on-a-mission-s1e1: Extracting information
ERROR: Unsupported URL: https://mars.nasa.gov/insight/multimedia/podcast/on-a-mission-s1e1/
Traceback (most recent call last):
  File "./youtube-dl/youtube_dl/extractor/generic.py", line 2324, in _real_extract
    doc = compat_etree_fromstring(webpage.encode('utf-8'))
  File "./youtube-dl/youtube_dl/compat.py", line 2542, in compat_etree_fromstring
    doc = _XML(text, parser=etree.XMLParser(target=_TreeBuilder(element_factory=_element_factory)))
  File "./youtube-dl/youtube_dl/compat.py", line 2531, in _XML
    parser.feed(text)
  File "/usr/lib/python2.7/xml/etree/ElementTree.py", line 1659, in feed
    self._raiseerror(v)
  File "/usr/lib/python2.7/xml/etree/ElementTree.py", line 1523, in _raiseerror
    raise err
ParseError: not well-formed (invalid token): line 8, column 386
Traceback (most recent call last):
  File "./youtube-dl/youtube_dl/YoutubeDL.py", line 792, in extract_info
    ie_result = ie.extract(url)
  File "./youtube-dl/youtube_dl/extractor/common.py", line 508, in extract
    ie_result = self._real_extract(url)
  File "./youtube-dl/youtube_dl/extractor/generic.py", line 3298, in _real_extract
    raise UnsupportedError(url)
UnsupportedError: Unsupported URL: https://mars.nasa.gov/insight/multimedia/podcast/on-a-mission-s1e1/

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Description of your issue, suggested solution and other information

When the podcasts can be downloaded why can't they be downloaded via youtube-dl