Ancient, tough, and extremely dangerous to pretty much anything around them, crocodiles and alligators are actually under ...

Their goats or horses or cows’ labor has passed in the night, and the dawn brings a new addition to the farm in the form an ...

Cosmic microwave background data support cosmology’s standard model but retain a mystery about the universe’s expansion rate.

The new images—of when the cosmos was a mere 380,000 years old—show the "first steps towards making the earliest stars and ...