A new study challenges the dream of water-rich “Hycean” planets like K2-18b, suggesting that most sub-Neptunes lose their ...

An ocean world that's teeming with microbes — and who knows what other kinds of life — is currently the best explanation for some chemical signatures that the James Webb Space Telescope has spotted in ...

The Blob is a marine heatwave that typically spans parts of the North Pacific Ocean. Marine heatwaves have the capacity to ...

"Alien: Earth" takes the famous franchise in a bold new direction. Here's what happened at the end of Season 1 and what it ...

Scientists from the University of Cambridge announced this week what they believe is the strongest evidence so far of extraterrestrial life. The place in question is not within our solar system, but ...

Discovering extraterrestrial life has tantalized the public imagination as far back as Epicurean philosophers in Ancient Greece. Yet despite centuries of speculation, the search for alien lifeforms ...

Who hasn't looked into the sky and wondered if there's life out there, somewhere, looking back at us? Is it possible there's ...

It's not that sulfur is a great indication that a planet is inhabited. Instead, it's the opposite. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...