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 ...

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

NASA's Voyager 1 launched 48 years ago in September 1977 on a decades-spanning journey to study the cosmos and search for ...

The Voyager spacecraft, on a decades-long journey of exploration, have made an unusual discovery at the edge of our solar system. They’ve detected a layer of hot plasma at the solar system’s boundary, ...

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 ...

Most planet-forming disks have warps that can lead to planets on inclined orbits, which could explain where the tilt of Earth ...

"Makemake is one of the largest and brightest icy worlds beyond Neptune, and its surface is dominated by frozen methane," ...

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 ...