The space-based observatory will scan the cosmos in 102 colors we can't see to unlock the secret history of the universe.

For years, astronomers have toyed with the idea that the Sun hides an extra planet so distant and dim that even the best ...

Pointed away from Earth about 404 miles overhead, the orbital observatory will circle the planet from north to south about 14 ...

although a sky map can be very useful, and a good telescope or binoculars will enhance some experiences and bring some otherwise invisible objects into view. You can also use astronomy accessories ...

NASA's SPHEREx space observatory has spent the last six weeks undergoing checkouts, calibrations, and other activities to ...

The NASA New Horizons spacecraft's extensive observations of Lyman-alpha emissions have resulted in the first-ever map from ...

Astronomers measure the apparent brightness of a night sky object by its magnitude. The lower this value is, the brighter an associated object is in the night sky. Under good night sky viewing ...