But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

WASHINGTON (Reuters) -In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call the strongest signs yet of possible life beyond our solar system, ...

Scientists hunting for life beyond Earth have long thought that water is one of the key indicators. But a group of experts now says that looking for life on water–rich planets could be a waste of time ...

Floating above your head are about 300 million exoplanets – planets outside our solar system – that could be habitable. But as much as it’s easy to think all they need is oxygen and water for life to ...

Scientists had a mixed response to the announcement of biosignatures spotted on an alien exoplanet. A team of astronomers announced on April 16, 2025, that in the process of studying a planet around ...

MIT professor Sara Seager has been chasing aliens for most of her adult life. In 2020, Seager was an adviser on the UK team of astronomers that discovered phosphine—a gas produced by living things—on ...

The “best chance” for Nasa’s James Webb space telescope to find alien life on other planets would be to look for worlds with less carbon dioxide in their atmospheres compared to their neighbours, a ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. A genetic study of ...

Scientists have solved the mystery of how the building blocks of life formed on a 4.6–billion–year–old asteroid, and it could rewrite our own origin story. In 2023, NASA's OSIRIS–REx mission recovered ...

Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their formation but ours managed to hit. A new study shows that Earth formed under ...