NASA's most eye-catching hints of alien life on Mars and a distant exoplanet left headlines breathless in 2025, but a major new survey of hundreds of astrobiologists suggests most experts do not yet ...
In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...
Hosted on MSN
What would proof of alien life look like? Here's what scientists are really looking for
In September 2025, NASA reported the first tantalising hints of a potential biosignature – a scientifically testable indicator of past or present extraterrestrial life – on the surface of Mars. The ...
It may seem like we are on the verge of discovering alien life. In 2025, a press release stated that we have the “strongest hints yet” of extraterrestrial life on the exoplanet K2-18b. And when ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results