With their killer instinct and feline prowess, the big-cat family represents some of the world's most impressive animals. All ...

Fresh reports of big cat sightings are continuing to stir debate.  The reports from the public are possible clues of what big ...

Their little paws. Their fuzzy fur. Their inability to resist knocking over a freshly poured glass of water. Since the dawn ...

This tiny Sphynx kitten looks like a miniature E.T., but the baby cat's sweet personality is what has everyone falling in ...

New biomechanical research shows Smilodon's legendary saber teeth came with a surprisingly weak bite — and reveals the real ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...