In 1995, scientists made a revolutionary find with the discovery of 51 Pegasi b, a massive exoplanet in a tight orbit around ...

The hunt for Planet Nine continues as new discoveries make the Solar System’s biggest mystery even harder to solve. Is there ...

Facts about Jupiter's moon Callisto, the third largest moon in the Solar System and the most heavily-cratered object.

The outer solar system once seemed like a quiet backwater. But a glut of tiny, strange moons with unruly orbits are coming ...

Unlike rocky planets such as Mars and Earth, angrites do not have a lot of silicon dioxide. Because of this, astronomers have ...

Using a new technique that partly relies on artificial intelligence, researchers spotted potentially more than 10,000 new exoplanets.

Our solar system may have hosted up to six giant planets in its first hundred million years, a new study suggests. The ...

As it turns out, the conditions that set Venus and Jupiter up for their conjunctions in the sky are the same that are ...

This small, unassuming mineral may be older than Earth itself. Krotite reminds us of the vast timescales and surprising ...