Tyrannosaurus rex relatives 'walked the moon' to attract females, new dinosaur 'mating arena' suggests
Animals
'Whale Graveyard' Discovered as Arctic Ice Sheet Rapidly Retreats
Bite marks suggest that the giant terror birds may have been potential prey for another predator – the giant caiman.
Ancient sea creature's 'backward' brain hints spiders' ancestors evolved in the ocean
The return of wolves to Yellowstone has led to a surge in aspen growth not seen in 80 years.
Shark Week Team Spots Unusual 'Black Mako' Fish Off California Coast
Coguan: The 'flying lemur' that doesn't fly and isn't a lemur
How to Watch Shark Week 2025: Discovery Live Streaming and Special Streaming Schedule
Why do sharks freeze when you turn them upside down?
Why giant moas—birds that once towered over humans—are even harder to resurrect than dire wolves
Why do cats love concrete slabs?
Scientists thought sloths didn't fart. But then one was caught on camera farting.
Kakapo: The Fat Parrot That Can Live Almost 100 Years
Why is the blue-ringed octopus so dangerous?
The study found that “alpha male” primates are rare, and females are about equally likely to dominate the opposite sex.
