Two major alien-life announcements in 2025 generated enormous excitement, but most astrobiologists remained unconvinced. Only 6.6% of surveyed experts thought possible biological molecules on K2-18b ...

For decades, scientists have searched the universe for signs of life beyond Earth. While distant exoplanets often grab the ...

With over decades of films and convincing radio plays, aliens have captivated our imaginations and our worst fears. They’ve ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of a watery exoplanet with a red dwarf sun overhead. A new study suggests that the exoplanet GJ 3378b, which ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. The search for extraterrestrial life has evolved from philosophy to a serious scientific and ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature Astronomy, researchers discuss the consequences of these so-called ...

The universe is vast and teeming with stars – but if intelligent life exists, it may not be able to visit Earth. By Kai James / The Conversation Published May 27, 2026 8:00 AM EDT This article was ...

Researchers want to explore the idea that microscopic particles shed by alien civilizations have accumulated on the lunar ...

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 ...

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Add Yahoo as a preferred source to see more of our stories on Google. We've been looking for aliens for as long as we've been looking up at the starry night sky. Wondering, "What's up there?" quickly ...