One of the scientists with the Viking missions says yes.
- 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.
Three scientist friends, working separately, share the prestigious prize.
- 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."
Some scientists think there may be a hidden, second form of life living right under our noses.
- 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.
A new report sees a major disruption in where we get our food.
- 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.
Two Apollo 11 astronauts question NASA's planetary safety procedures.
- 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.