Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

In advance of a star called T Coronae Borealis (T CrB) or the “Blaze Star” exploding in a very rare event, NASA is advising ...

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

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

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

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in our solar system. However, as with all ninth planet research, the new ...