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Oct 28, 2023 · Madhusudhan led a study, published in October 2023 in The Astrophysical Journal Letters, that detected hints of an ocean on a planet called K2-18 b, located more than 100 light-years away. Their...
- Patrick Pester
- 1976, The Viking Mars landers detect chemical signatures indicative of life. Tests performed on Martian soil samples by NASA’s Viking landers hinted at chemical evidence of life.
- 1977, The unexplained extraterrestrial “Wow!” signal is detected by an Ohio State University radio telescope. In August 1977 an Ohio State University radio telescope detected an unusual pulse of radiation from somewhere near the constellation Sagittarius.
- 1996, Martian “fossils” are discovered in meteorite ALH84001 from Antarctica. NASA scientists controversially announced in 1996 that they had found what appeared to be fossilised microbes in a potato-shaped lump of Martian rock.
- 2001, More rigorous calculations connected to the 1960s “Drake equation” suggests that our galaxy may contain hundreds of thousands of life-bearing planets.
Apr 15, 2024 · Scientists could send a probe to Venus to hunt for the hypothetical makers of phosphine, but any exoplanetary biosignature scientists find may be destined to be called “a sign that’s ...
- Is E.T. phoning us from Proxima Centauri? The answer to weird signals happening in the universe is never aliens, until maybe it is. Earlier this month, researchers announced that they had captured a very mysterious beam of energy in the radio part of the electromagnetic spectrum at 980 megahertz, coming from the closest star to our own.
- Alien bacteria might live in the clouds of Venus. Astrobiologists were a-twitter with anticipation and skepticism in September when news broke of potential evidence of life in the upper clouds of Venus.
- 'Oumuamua could still be an alien artifact. Two years ago, scientists spotted a cigar-shaped object hurtling through the solar system. Dubbed 'Oumuamua, the entity is considered by most to be an interstellar comet flung out from around another star.
- Navy declassifies UFO videos but don't believe the hype. A fair number of Earthlings don't care what ambiguous evidence scientists come up with to show that aliens are out there.
Perhaps the most persuasive evidence of past life would be recognizable fossils—hence the tremendous flurry of excitement in the 1990s when several scientists thought they might have...
Nov 10, 2021 · November 10, 2021. 8 min read. How Scientists Could Tell the World if They Find Alien Life. Sparked by major advances in their field, astrobiologists are grappling with how best to discuss...
Nov 25, 2023 · Emily Mitchell, a paleobiologist at the University of Cambridge, points out that, while there is fossil evidence of life on Earth at least 3.5 billion years ago, no large multicellular...
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