Scientists are cautiously optimistic after the James Webb Space Telescope found evidence of a life-related molecule in the atmosphere of exoplanet K2-18b. This video explains the findings and what ...

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 nearby 'super‑Earth' just 25 light years from our solar system has been recategorised as a lighter, likely rocky world sitting in the habitable zone of its star, raising fresh hopes in the search ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

English science fiction writer Arthur C. Clarke once said, “Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.” It’s a line that has motivated ...

In searches for past and present Martian life, some scientists say we’ve been too cautious to see what’s right in front of us ...

For centuries, humanity has wondered whether we are truly alone in the universe — and now, NASA’s top official believes the ...

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 ...

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A meteorite that crashed into a home two years ago contains "salty" extraterrestrial fluids that scientists believe may represent the building blocks of life.

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 ...