Space.com on MSN

Alien life likely can't survive on exoplanets smaller than Mars, scientists say

For a world to maintain an atmosphere long enough for life to gain a foothold, it seems it needs to be at least as big as ...
Hosted on MSN

Did NASA find alien life? Massive survey of top astrobiologists exposes shocking truth about Mars and K2-18b claims

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 ...
Wired

The Caves That Could Help Us Find, or Become, Aliens

From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and living safely—beyond our planet. “I was like, ‘OK, I'm pretty sure that ...
The Conversation

Could it be aliens? From Cheyava Falls on Mars to exoplanet K2‑18b – here’s what scientists really think

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 ...