Long invisible to astronomers, the newly-discovered molecular cloud is one of the largest single structures in the sky and among...

Paleontologists have discovered 50- to 25-million-year-old fossilized footprints of invertebrates and vertebrates, including a false saber-toothed cat (nimravid), at John...

High-energy photons produced deep in gamma-ray burst jets emerging from a collapsed star could dissolve the outer stellar layers into...

Large-bodied extinct kangaroos of the genus Protemnodon were not intrepid travelers who bounded across the plains, but rather homebodies, who...

Jewelry in a treasure hoard found in Thetford Forest, East Anglia, indicates that Thetford was pagan until the 5th century...

A Delta Air Lines flight was forced to return to Boston’s Logan Airport early Sunday after takeoff due to a...