New findings about the anatomy of the dinosaur age’s fiercest predator suggest it chased prey “like an oversized bird.” ...

Teenagers trotting on all fours have turned “therian” — an online trend in which people identify as animals — into a flash point.

On a hot February morning, Galápagos National Park rangers released 50 giant tortoises back to Floreana Island—marking the ...

The tunnel looked dark and lifeless at first. Then flashes of pale white darted through the water. One sweep of the net revealed tiny albino fish that looked almost unreal. It felt like discovering ...

Some insects look more like aliens than they do insects. One example is a grasshopper that is able to survive by not looking ...

The Turquoise Pool is one of Mystery Cave’s most photographed features, and for good reason. This body of water is so clear ...

The most beloved beings from strange new worlds.

On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

Step inside a dazzling fantasy world full of magical creatures, meet a boy struggling with big family changes, share laughter ...

These researchers captured photos that wouldn’t look out of place in an art gallery and used them to confirm new species of comb jellies never recorded in Colombia before.