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

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

Nasa has discovered over 6,000 exoplanets - planets outside our Solar System and continue to search for Earth-like worlds ...

Astronomers were fascinated after spotting an object from interstellar space hurtling through the solar system earlier this ...

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

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

The coldest planet in the Solar System is Uranus, which is surprisingly colder than Neptune due to its unique internal heat ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching 25,000 years and a size that may qualify it as a dwarf ...

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

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.

Astronomers have discovered seeds of rocky planets forming in the gas around the baby sunlike star providing *** peek into the start of our own solar system. The the thing that we've discovered is ...

By 2015, NASA announced that Kepler had discovered its 1,000th exoplanet. 2016 was a banner year for exoplanet detections with nearly 1,500 in that year alone. The total number reached 5,000 in March ...