Sarah B. Puschmann

It may look like weed, and it may be smoked like weed. But synthetic cannabinoids — a category of drugs, some of which are legal — can be far more dangerous than natural marijuana.

The skeleton of a new ancient ground sloth, the size of a small bear, was discovered in a Mexican sinkhole.

After the floodwaters from Hurricanes Harvey and Irma stirred up quite a few terrors, the latest discovery resulting from the storms — a wooden canoe — may come as a relief.

Seen from space, these discs look more like modern art than potatoes.

In August, a group of volunteers discovered a rare Roman mosaic thought to have originated between A.D. 360 and 380 in Boxford, England.

The causes include cirrhosis and renal failure.

A crocodile, scared away by two territorial hippos, releases a live wildebeest from its jaws.

Take a look at some key numbers related to Hurricane Irma.

Ferocious Hurricane Irma continues to roar through the Atlantic on its path toward the Florida Peninsula. Here's what meteorologists are forecasting for its landfall in the Sunshine State.

The decision about new hurricane names is made by a committee, which doesn't stop some people from making their own special naming requests.

Hurricane Irma, a "potentially catastrophic" storm gaining strength in the west Atlantic, has been upgraded to a Category 5 storm, according to the National Hurricane Center.

A Russian tanker recently carried over 75,000 tons of liquified natural gas (LNG) across an arctic shipping route without the use of an icebreaker chaperone ship.

When floods hit, fire ants float to safety on rafts made out of their own bodies.

Conservators working on a project at the Old Royal Naval College in England discovered rooms from Greenwich Palace, the birthplace of Tudor monarchs Henry VIII and Elizabeth I, his daughter.

Cliff divers took to a platform above a water tank yesterday (Aug. 21) in Oregon for a stunning photo shoot during the solar eclipse.

A group of cliff divers created their own celestial spectacle today (Aug. 21) in McMinnville, Oregon, by diving into a tank of water in the darkness of the total solar eclipse.

Octopuses have many neurons, appear to play, and may have individual personalities, but does this mean they're smart?

Three tombs stretching back to the 27th Dynasty have been uncovered in the Al-Kamin Al-Shrawi area in the Minya Province of Egypt, south of Cairo, according to a statement.

By tracing the lead isotopes in silver coins from ancient Rome, researchers found a shift in the source of the coins' metal that corresponds with Rome's rise to power.