Is NASA ignoring proof of Martian life from the 1970s?

One of the scientists with the Viking missions says yes.

Image source: David Williams/NASA
  • A former NASA consultant believe his experiments on the Viking 1 and 2 landers proved the existence of living microorganisms on Mars
  • Because of other conflicting data, his experiments' results have been largely discarded.
  • Though other subsequent evidence supports their findings, he says NASA has been frustratingly disinterested in following up.
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Hypoxia researchers win 2019 Nobel Prize in Medicine

Three scientist friends, working separately, share the prestigious prize.

Photo credit: JONATHAN NACKSTRAND / AFP via Getty Images
  • Nobel recognizes breakthrough insights into cell's perception and response to changes in oxygen levels.
  • Too title oxygen is a problem. Also too much.
  • Their research unveiled a genuine "textbook discovery."
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Could Earth have a 'shadow' biosphere?

Some scientists think there may be a hidden, second form of life living right under our noses.

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  • All life on Earth shares some basic characteristics, such as being carbon-based; using DNA, RNA, and proteins to function; and so on.
  • Many of these characteristics are simply the only ones that could work in Earth's environment, but there are also a surprising number of seemingly arbitrary features of life.
  • Under the shadow biosphere theory, some scientists argue that alternative forms of life exist right here on Earth, undetected simply because we don't know to look for them.
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The writing on the wall: The coming collapse of the industrial livestock industry

A new report sees a major disruption in where we get our food.

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  • We're just a few years from the tipping point in engineered food.
  • Traditional agriculture's 10,000-year-run is about over.
  • Better foods, tastier foods, and cheaper foods are on the way.
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Moon landing astronauts reveal they possibly infected Earth with space germs

Two Apollo 11 astronauts question NASA's planetary safety procedures.

Credit: Bettmann, Getty Images.
  • Buzz Aldrin and Michael Collins revealed that there were deficiencies in NASA's safety procedures following the Apollo 11 mission.
  • Moon landing astronauts were quarantined for 21 days.
  • Earth could be contaminated with lunar bacteria.
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