Photo of the Day

A plank path leads through a forest
October 13, 2017, 10:55 a.m.
Studies have shown specific ways in which spending time hiking around in a forest makes us both mentally and physically more healthy.
Aerial view of Grand Prismatic Spring at Yellowstone National Park
October 11, 2017, 3:07 p.m.
New research suggests the buildup to an eruption could unfold in decades rather than millennia.
A pair of critically endangered Lord Howe Island stick insects at the Bristol Zoo
October 9, 2017, 8:28 a.m.
Genome sequencing has confirmed that the rediscovered bugs are in fact Lord Howe Island stick insects.
October 6, 2017, 2:30 p.m.
The levels are reportedly safe for humans, but they're high enough to harm bees — and that's bad news for us, too.
A walrus parent and its offspring sit on a chunk of ice.
October 5, 2017, 11:36 a.m.
The U.S. Fish and Wildlife Service is not certain that the Pacific walrus will become endangered.
A poison dart frog rests on a leaf.
October 5, 2017, 9:12 a.m.
A new study shows how these amphibians protect themselves from their own chemical defenses.
A loggerhead hatchling approaches the sea
October 4, 2017, 1:41 p.m.
The hatching site was far north of where loggerhead turtles typically lay their eggs.
wild boa constrictor in Costa Rica
October 3, 2017, 8:34 a.m.
How well do you know boas?
sheep are herded through the center of Madrid for the annual migration festival
October 2, 2017, 10:14 a.m.
Bystanders cheer the celebration of traditional agricultural practices.