Scientists have spotted a molecule linked to life in the atmosphere of K2-18b using the James Webb Telescope. Here is a look ...

Fresh data from the James Webb Space Telescope provide more evidence for what some consider a biosignature — but debate is ...

Slushy hailstones of ammonia and water were part of a bizarre theory to explain the planet's poorly mixed atmosphere. These mushballs seem to be real, say UC Berkeley scientists.

With the James Webb Space Telescope, astronomers say they are working to confirm potential evidence of life on a distant ...

The James Webb Space Telescope may have detected life-associated gas in the atmosphere of a far-off planet. The news is being ...

A new study led by the Southwest Research Institute (SwRI) has decoded the puzzling atmosphere of TOI-270 d, a distant ...

Scientists announce detection of compounds on an extrasolar planet that on Earth only produce living organisms, but other ...

In a groundbreaking discovery, scientists have uncovered the strongest evidence yet of possible life beyond our solar system. Using the James Webb Space Telescope (JWST), researchers have detected ...

Even in the best of circumstances, however, talk of a biosignature is an invitation to scientists to think of alternative ...