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Five California mountain lions were seen together on home surveillance video in a rare gathering of the notoriously solitary big cats.

Mounds of a rare crystalline mineral emerged above the surface of Utah's Great Salt Lake.

The Taal Volcano eruption in the Philippines on Sunday blasted ash plumes 9 miles into the air, amazing new satellite imagery reveals.

A Belgian man was arrested Monday at an airport in Peru with 20 live birds crammed inside tiny boxes he hid in his suitcase, investigators said.

A treasure trove of items belonging to Queen Victoria has been discovered in a cabinet in England for 100 years and could sell for a pretty penny at auction later this month.

Newly discovered documents that were recovered from the drowned body of a patriot pastor shed light on the fight for religious freedom during the Revolutionary War.

The nearest star to our sun, Proxima Centauri, may actually be host to two planets, including a "Super-Earth," according to a new study.

Neanderthals hardly conjure up images of prehistoric beach life, but scientists have revealed surprising new details of how our extinct relatives survived.

Astronomers have spotted four "strange" objects orbiting the massive black hole at the center of the Milky Way galaxy, according to a new study.

The rocky planets closest to the sun are made up of very different materials than the gas giants in the outer solar system. That's because billions of years ago, our baby solar system was divided in two by a cosmic gatekeeper that prevented materials in the inner and outer regions from mixing. 

A massive mile-long double asteroid linked to a one-inch meteor that streaked a fireball over Japan three years ago could threaten humanity in millions of years if it eventually breaks up, scientists wrote in a report published Monday.

The glaciers around Mount Everest have lost a staggering amount of ice, according to declassified spy satellite photographs.

NASA's Juno spacecraft captured a gorgeous image of Jupiter's dynamic surface.

Dr. Jonny Kim, son of poor South Korean immigrants who arrived in Los Angeles in the early 1980s, is the American Dream.

Newly-discovered photos are shedding new light on Canada’s largest known landslide.

A lioness at the Edinburgh Zoo in Scotland was captured on film nuzzling its five-month-old cub, British news agency SWNS reports.

A shocking new study notes that the amount of heat that has been put into the planet's oceans from human activity over the past 70 years is the equivalent of more than 3 billion atomic bombs.

WASHINGTON (AP) — The decade that just ended was by far the hottest ever measured on Earth, capped off by the second-warmest year on record, two U.S. agencies reported Wednesday. And scientists said they see no end to the way man-made climate change keeps shattering records.

A 4-pound gold bar that was discovered during construction work in Mexico City nearly 40 years ago has been identified as a long-lost Aztec treasure that was stolen by Spanish conquistadors 500 years ago.

A new study suggests that comets had a huge hand in helping life form on Earth, bringing integral elements such as phosphorus, "an essential element for life," to the planet.