Night owls and early birds can see what awaits us on nights in spring and summer

Researchers say molecular hydrogen plays an important role in their formation and evolution

NASA and archivists work to preserve space shuttles' pasts in full multimedia 'recordation'

Kepler planets targeted in search for signals not caused by natural phenomena

Glowing nebula, its clouds sculpted by stellar winds, looks eerily human in new photo

Astronomers spotted the galaxy clusters involved in a triple merger

Interstellar material spotted by IBEX from orbit 200,000 miles above Earth

The administration will award two funded contracts for competing concepts

We're pitched at angle and not oriented parallel to plane of Milky Way

Recent study challenges a widely held anti-ET argument based on evolution