New research finds that despite large rivers and seas of liquid methane, Saturn's moon Titan seems mostly devoid of river deltas, raising new questions about the surface dynamics on this alien world.

The exoplanet K2-18b could harbor a massive ocean, but scientists will need to study the planet more to see if it’s really ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

The Webb telescope has spotted exoplanets circling white dwarf stars, proving that planets can survive their star’s violent ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

Scientists have made a groundbreaking discovery by detecting organosulfur compounds in the atmosphere of the planet K2-18b.

In a groundbreaking development, astronomers using the James Webb Space Telescope (JWST) have identified chemical compounds ...

The discovery was made on a massive exoplanet known as K2-18b that for years has captivated scientists searching for life ...

K2-18b is an exoplanet orbiting a red dwarf star called K2-18, chilling 124 light-years away in the Leo constellation. It’s ...

In a memorable image from the 1977 film "Star Wars," the young hero Luke Skywalker gazes at two suns setting above the ...

Astronomers using ESO’s Very Large Telescope have discovered a truly bizarre planet — one that orbits two stars at a perfect 90-degree angle. This “polar planet” circles a rare eclipsing pair of brown ...

Astronomers have made a detection suggesting biosignatures, or signs of biological activity, on an exoplanet located 124 ...