Scientists have discovered the farthest-ever 'mini-halo,' a sea of charged particles around a distant galaxy cluster that ...

The smallest species of whale tricks its predators by gushing red gallons of red fluid into the water when under attack ...

That continuous sound makes felines unique in their ability to purr. Domestic cats ( Felis catus ), however, aren't the only cat species that purr — wild cats such as cheetahs ( Acinonyx jubatus ), ...

Yet some regions are far enough from tectonic plate boundaries to contain rocks that have remained unchanged for billions of ...

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is ...

NASA's Chandra Observatory has combined different wavelength images of the Andromeda galaxy to honor astronomer Vera Rubin, and then created a music video by converting the light in those images to ...

Wherever you find yourself this summer, don't miss out on your favorite shows. Our exclusive offer is incredible value for ...

Footage captures a pair of orcas nibbling each other's tongues in the Kvænangen fjords in northern Norway. Scientists think this rarely seen behavior could play a role in social bonding.