From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: ESO/A. Müller et al. Scientists' best theories on how planets form could be wrong, new ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

Astronomers have made an extraordinary discovery—for the first time, scientists have directly observed two alien planets ...

The U.S.-led search for the existence of extraterrestrial life has reached a threshold, primarily through the discovery of alien planets made by NASA’s Kepler space telescope, making it theoretically ...

Far beyond the eight familiar planets in our solar system, countless bizarre and extreme worlds await discovery — and some have already been found. Thanks to rapidly advancing telescope technology, ...

The odd atmosphere of a fledgling exoplanet is causing astronomers to question leading theories of how planets form. When you purchase through links on our site, we may earn an affiliate commission.