Strongest evidence yet for an atmosphere on a rocky planet outside our solar system - a thick blanket of gases above an ocean of magma.

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

Astronomers have used the James Webb Space Telescope (JWST) to discover that a distant "hot Jupiter" planet has two ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

New study of Voyager 2 data shows Uranus experienced a solar wind event during the 1986 flyby, helping explain unusual magnetosphere readings ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

With major eclipses, brilliant supermoons, and lineups of five or more planets, 2026 offers something awe-inspiring in every season. Here’s what to watch for.

And why many scientists are freaked out about the first serious for-profit company moving into the solar geoengineering field.

The bright binary star system V Sagittae will flare up multiple times before finally going supernova within the next 100 ...

Scientists studying the interstellar object ‘Oumuamua have proposed that it may be a fragment from a Pluto-like planet beyond ...

After a yearslong series of setbacks, NASA's Escape and Plasma Acceleration and Dynamics Explorers, or ESCAPADE, mission has ...