A team of astronomers have detected what they call the most promising signs to date of a possible biosignature, or signs of past or present life linked to biological activity, on an exoplanet named K2 ...
Further studies are needed to determine whether K2-18b, which orbits a star 120 light-years away, is inhabited, or even habitable. By Carl Zimmer Update, July 29, 2025: The conclusion of this study ...
The James Webb Space Telescope has caught a distant world in the act of falling apart, its outer layers peeling away into space as a vast cloud of helium. The planet, a so‑called “super‑puff” with the ...
In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent analyses discount the evidence. An artist’s concept of the exoplanet K2-18b, ...
WASHINGTON >> 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, ...