Astronomers say that mysterious interstellar visitors like 'Oumuamua and 3I/ATLAS are the most common large bodies in the ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are ...

The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...

Since the first discovery of planets beyond the solar system in 1995, more than 6,000 exoplanets have been identified. Many ...

Most planet-forming disks have warps that can lead to planets on inclined orbits, which could explain where the tilt of Earth's orbit came from. The origin of the differing tilts in the orbits of the ...

This brings us to the complexity of NASA's announcement. "Confirmed planets are added to the count on a rolling basis by ...

It’s been nearly 2 centuries since a planet was discovered in the solar system. But now scientists think they’ve uncovered ...

A team of scientists has investigated how Earth’s twin became so inhospitable, and whether the same will happen to our planet ...

A giant space rock the size of New York's Chrysler Building will make a close pass by Earth Thursday, and it could get even ...

NASA's Psyche orbiter looked back and snapped a photo of Earth with the moon on its way to the asteroid Psyche in 2029. Credit: NASA / JPL-Caltech / ASU illustration As a NASA spacecraft whizzed away ...