For decades, astronomers have struggled to differentiate giant planets from brown dwarfs, a class of objects more massive ...

Oxygen on exoplanets can be the result of simple chemical processes rather than biological ones.

Life on Earth is a precious thing, especially given what astronomers know about the visible universe. Although researchers ...

For centuries, astronomers faced the challenge of classifying objects in space based on their appearance. When observing an ...

These three exoplanets are among the least dense ever found, and all attempts to probe their atmospheres have been blocked by ...

A small group of distant worlds may hold the clues to life beyond Earth. Astronomers searching for life beyond Earth have narrowed down the most promising places to look. Out of more than 6,000 known ...

Out of the 6,000 known exoplanets, it's these rocky worlds that are most worthy of attention in the search for life beyond ...

Provided they host thick, hydrogen-dominated atmospheres, moons orbiting free-floating exoplanets could retain much of the heat generated deep within their interiors by tidal forces. Led by David ...

Oxford-led team found a sulfur-rich exoplanet with a vast magma ocean, 35 light-years away, challenging current planet ...

Talk about a hot mess. Scientists have uncovered a hellish “lava world” where temperatures soar to a blistering 2,700 degrees Fahrenheit — hot enough to melt rock into a churning ocean of magma and ...

Scientists discover a nearby planet with a molten interior and sulfur-rich atmosphere, L 98-59 d, revealing a possible new ...

The film which opens in theaters Thursday is grounded in a real nearby star systems an exoplanet science, with a dose of fictional biology.