The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

Then there's a few key requirements you should be aware of: Ideally, you're a large object like a moon or a planet; scientists suspect you also have an atmosphere and water; plus, you should orbit ...

Fresh JWST data and new models challenge methane hints on TRAPPIST-1e, showing the gas would be rare, unstable, and difficult ...

Thanks to some old data and New Mexico researchers, we know of one more exoplanet in the Milky Way. A group of scientists at ...

The Subaru Telescope has notched its first major discoveries with a one-two punch that captures both ends of the planetary spectrum, a massive exoplanet and a so-called failed star. Together, these ...

What can a rocky molten exoplanet with an atmosphere teach astronomers about planetary formation and evolution? This is what ...

Working through years’ worth of data from an old observational campaign, a team of astronomers have directly imaged a new ...

Astronomers have discovered a planet beyond the solar system that orbits its twin parent stars closer than any ever seen ...

Lurking further from its stars than Neptune is from the Sun, this is no inner planet, but it’s on a scale we recognize, ...

The exoplanet, discovered by Northwestern University astronomers, orbits two suns exactly like Luke Skywalker's fictional ...

This is the strongest evidence yet of a rocky planet beyond our solar system with an atmosphere. Astronomers using the James ...

New research reveals that Earth’s solid inner core is actually in a superionic state, where carbon atoms flow freely through ...