Learn about the recently discovered trans-Neptunian object that may eventually join Pluto as a dwarf planet, found at the ...

The discovery of water ice around a distant star is allowing scientists to study how the key ingredient for life is delivered ...

At the very edge of our solar system, beyond the grasp of Neptune and even past the icy sprawl of Pluto’s domain, a new ...

On May 21, the International Astronomical Union’s Minor Planet Center announced the discovery of 2017 OF 201, which, because ...

With its initial satellites deployed, Amazon joins a high-risk game of low Earth orbit dominance with SpaceX, China, and the ...