A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

Young, close-orbiting exoplanets known as sub-Neptunes may form farther from their stars and migrate inward or lose their ...

The JWST has spotted the presence of carbon dioxide on HR 8799’s four known planets, part of a system astronomers use to ...

We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there ...

The stars as seen from Earth would have looked dimmer 14 million years ago, as the solar system was in the middle of passing ...

Saturn has surpassed Jupiter, which has 95 known moons, with the new sightings. Uranus (28), and Neptune (16) are still ...

Explore This SectionPerseverance HomeMission OverviewRover ComponentsMars Rock SamplesWhere is Perseverance?Ingenuity Mars HelicopterMission ...

Sins of a Solar Empire 2 update 1.4 brings back the first game’s population mechanics and adds new units as the Paths to ...

In 2023, Jupiter reclaimed the lead with 12 new moons. However, later that year, astronomers spotted an impressive 68 new ...

The sheer number of objects suggests scientists will soon have to grapple with what counts as a moon versus what’s just a large rock ...