Worlds upon worlds await us in the cosmos and we’re finding more all the time. Before 1992, we weren’t even completely certain planets existed outside of our solar system. Now, astronomers are finding ...

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

When astronomers first cataloged some of the closest orbiting rocky exoplanets, they wrote them off as bare, airless cinders, ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

If life exists beyond Earth, water may be the first clue. Water Worlds explores the planets and moons where liquid water ...

Astronomers have been scanning the skies for alien radio signals for decades, but so far they’ve heard nary a peep (with one possible exception). But according to a recent study, that could be because ...

Atmospheric insights into alien worlds emerge as JWST studies filtered starlight passing through distant exoplanet atmospheres. Pixabay, Vilkasss The James Webb Space Telescope (JWST) represents a ...

Just two decades after astronomers discovered the first exoplanet, NASA has confirmed the existence of 6,000 alien worlds. The total will rise even quicker as next-generation telescopes take flight.