Photo of the Day

SpaceX rocket makes picture-perfect landing in Pacific Ocean

2016 was the hottest year on record

5 fast facts about sloths

Ringling Bros. to shut down in May

Why these camera trap photos of ocelot kittens are a big deal

Dublin Zoo welcomes adorable, endangered baby scimitar-horned oryx

Massive chunk of Antarctic ice shelf poised to break away

Winter ticks are bugging Vermont's moose to death

Birds are migrating earlier as global temperatures rise

You can watch the newly hatched bald eagle chick grow up!

Don't forget to add that extra leap second on Dec. 31

Researchers decode bat talk, find they argue about surprisingly specific problems