If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

Scientists have unveiled an enormous gas cloud just 300 light-years from the solar system that measures about full 40 moons ...

Galaxies speckle the heavens like stars in a stunning new photo of the deep and distant universe.

On Hubble’s camera, a space between the inner objects of a proposed triple system ... The team—led by astronomer Maia Nelsen, also from BYU—found that Altjira could give further backing ...

In late 2017, a mysterious object tore through our solar system at breakneck speed. Astronomers scrambled to observe the fast moving body using the world’s most powerful telescopes. It was found to be ...

Infrared wavelengths, however, can also show objects deep in space that are shrouded in interstellar ... They've already found dozens of star systems in VarWISE that weren't previously detected ...

Researchers studying mysterious objects at the edge of the solar system with the James Webb Space Telescope find origin of ...

The space rock is expected to zoom past our planet at a zippy 28,655 miles per hour, according to the space agency.

Using the James Webb Space Telescope (JWST), scientists analyzed far-away bodies -- known as Trans-Neptunian Objects (TNOs) -- and found varying traces of methanol. The discoveries are helping them ...

Last month, the U.S. Space Force cataloged a new object nearby, which may have been released by one of the satellites, Kosmos 2583, on March 18, Jonathan McDowell, an astrophysicist at the Harvard ...

Slingshot Aerospace has been chosen by the Air Force's technology acceleration arm to support a program for identifying and tracking various objects in space. The company specializes in ...