Science

Some 252 million years ago, it was a disastrous time to be alive. Erupting supervolcanoes destabilized ecosystems, plunging the planet’s living things into a series of extinctions over the course of a...

Arizona, California and Nevada have agreed to take less water from the drought-strained Colorado River, a breakthrough agreement that, for now, keeps the river from falling so low that it would jeopardize...

Some numbers are odd:1, 3, 5, 7, 9, 11, 13, 15 …Some are even:2, 4, 6, 8, 10, 12, 14, 16 …And then there are the puzzling “eban” numbers:2, 4, 6, 30,...

When Jace Tunnell spotted what appeared to be a leg on the Gulf of Mexico shoreline in Texas, he thought that his greatest fear — a body washing up on the beach...

The four-bedroom house that Ray and Beth Nygren had lived in for 20 years in Auburn, Wash., measured about 2,400 square feet. The two-bedroom apartment that awaited them in a nearby independent-...

For centuries, cheetahs roamed vast swaths of India and prowled among lions, tigers and leopards. They were declared extinct in 1952 after decades of hunting by princely rulers and British colonizers, shrinking...

Yulia the endangered seal did not seem phased by the rockets from Gaza, let alone the missiles heading in the opposite direction.About six feet long and two decades old, Yulia heaved herself...

Joro spiders are the size of your palm. They weave webs up to three feet across, and for the past decade, the East Asian arachnids have been spreading throughout the southeastern United...

An advisory panel to the Food and Drug Administration voted on Thursday in favor of approving a vaccine by Pfizer to prevent the severe respiratory virus that is a potentially deadly threat...

Credit...Andrew Spear for The New York TimesIf a bird is not in a forest and there is no one to see that it is not there, is it really not there? That,...