Add Yahoo as a preferred source to see more of our stories on Google. Tardigrades—a type of invertebrate also known as water bears—are the only animals observed to survive the intense radiation and ...

A new study has found that stellar “space weather” could be making it significantly harder to detect potential signals from aliens, which may have been passing unnoticed through the cosmos. SETI—short ...

A new SETI study argues that turbulent space weather around distant stars can smear out ultra‑narrow alien radio signals, meaning technosignatures may already have reached Earth.

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...

For generations, science fiction has imagined what life might look like on other worlds. Novelist H.G. Wells described nightmarish squid-like Martian invaders in The War of the Worlds, while the ...