Two toy mice, see how they run

Guy with too much time on his hands makes miniature Jurassic Park for his pet tortoise

Drones converge on Mount Fuji for a mesmerizing dance party

Birds are teaching robots how to fly better

Guess who played at the White House Correspondents' Jam?

Dolphin returns to the ocean with a helping hand from humans

Skateboarders shred Dubai's waterpark

Watch these elaborate animal courtship rituals performed by humans

Gray whales swim through kelp in this zen-inducing video

11 amazing antics of ants

Orphaned puppy finds new family with cats

As U.N. makes history on Earth Day, Leonardo DiCaprio reminds us not to rest on laurels