Researchers detected unusually tiny particles of carcinogenic hexavalent chromium that may be able to penetrate deeper inside the body.

Horses have played a critical role in shaping human society, but scientists are still piecing together the story of their domestication.

Birds of a feather may flock together, but in the Camargue region of France, migratory pink flamingoes age slower than resident flamingoes. 

Researchers have been trying to explain this bizarre radio signal for decades. A new study hones in on its potential source.

SpaceX aims to launch its super heavy-lift rocket from Cape Canaveral, Florida, by the end of the year. That’s bad news for the state’s commercial airports—and you.

A recent study claims to have found new geochemical evidence of an Earth-altering comet impact at the end of the last ice age, but skeptics still aren't convinced.

Internal documents show Elon Musk’s multi-billion dollar rocket company can indefinitely shield nearly $3 billion in profits from the IRS.

A deadly combination of high temperatures and oppressive humidity has prompted the National Weather Service to issue advisories in 15 states.

The loss of critical temperature cues could throw monarchs’ biological compasses out of whack during migration.

Scientists have known climate change is increasing the severity of hurricanes for years now, but new research suggests it’s also leading to tropical cyclone clusters.

Environmental groups allege that officials broke federal law by rushing construction without attaining public input or an environmental impact statement.

After a slow start to the season, a marine heatwave is priming the Atlantic Basin for hurricane formation.

The ancient behemoth was present just 500 million years after the Big Bang.

The Dragon Bravo wildfire has been burning for over a month, and U.S. firefighting agencies are too understaffed to stop it.

The Tintina fault hasn’t produced a large earthquake in 12,000 years, but that could soon change, researchers warn.

An 8.8 magnitude earthquake rocked the Russian coast on Tuesday, July 30, triggering a tsunami that sent waves as far as the U.S. west coast.