A NASA spacecraft has just reached its permanent observation point to begin a mission unlike any before. Known as IMAP, the ...

There have been questions about a mysterious ninth planet in our solar system for nearly a decade. Pluto was unseated as number nine in 2006. Now, a group of international researchers say they may ...

Hubble observations reveal a giant, turbulent planet-forming disk that may reshape theories of how planetary systems develop.

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...

For the first time, researchers have found what seems to be a cloud of dark matter about 60 million times the mass of the sun in our galactic neighbourhood ...