With temperatures reaching almost 2,000 degrees Celsius on its dayside, LTT 9779 is one of the few known planets in the "hot ...

Astronomers have identified thousands of exoplanets, but only a handful look like Earth. These 16 worlds may be the closest ...

Astronomers are just beginning to scratch the surface of the complex, and sometimes violent, relationships between planets ...

There are lots of reasons to search for planets around other stars—exoplanets. A big one is to find other places in the universe that might harbor life. We only know of one ...

Can planets orbiting M dwarf stars become habitable, or does the star’s activity prevent it? This is what a recent study ...

Thousands of exoplanets have been found, but only a few stand out as truly Earth-like. These 16 may be the most promising ...

What happens when a planet contains immense quantities of water but is far too hot for that water to remain liquid?

Deep beneath your feet, far beyond where any drill can reach, something strange is hiding. Two continent-sized blobs of rock sit just above Earth’s core, hot, dense and stubbornly different from ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that ...

European astronomers report the discovery of a second alien world in the TOI-1422 planetary system located some 500 light ...

A nearby binary star system is bereft of giant planets, but scientists think it may still be a decent place to look for life. Binary star system Eta Cassiopeiae, located just 19 light-years away, ...

A new study of the red dwarf system TOI-3884 has uncovered rare, persistent spot-crossing signals that reveal unusually detailed information about the star’s magnetic activity and the planet’s orbital ...