The search for extraterrestrial life has evolved from philosophy to a serious scientific and national security concern ...

Scientists are cautiously optimistic after the James Webb Space Telescope found evidence of a life-related molecule in the ...

Scientists propose a universal test that could detect alien life without assuming it resembles any biology found here on ...

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 ...

Science: Nikku Madhusudhan (IoA) Claims about possible extraterrestrial life on K2-18b and Mars generated worldwide ...

For decades, humanity has searched the universe for signs of alien life — but some scientists warn that finding it may come ...

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 ...

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 ...

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 ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of biology because they are often produced by living microbes. However, ...

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