A study with over 14,500 participants links intense workouts within four hours of bedtime to poorer sleep quality and duration.

The truth might be simpler than what you likely learned in high school.

Archaeological records indicate that prehistoric people in Europe relied on fire throughout the Ice Age—but the evidence drops off during its harshest period.

The unexpected discovery of Greenland rocks in Iceland hints that a centuries-long cold snap may have helped finish off the Western Roman Empire.

Devices are often limited by the bulkiness of their batteries—but what if we could shape the batteries into whatever form we want?

The footprint was likely left behind by a 19-foot-long spiky dinosaur with a sledgehammer-like tail club.

New research shows sperm generate corkscrew-like fluid vortices that spin in sync with their tails, providing an unexpected boost.

Seems unintuitive, but the mounting list of lifeless planets might be exactly what scientists need to figure out how common life is in the universe.

The episode, witnessed off the Australian coast, offers a rare glimpse into the brutal efficiency of the ocean’s top predator.

Researchers simulated the device's ancient gear system to find out whether the contraption actually worked. Apparently, it did not.

"There is no way in hell a British colonizer is coming to Inuit Nunaat in 2025 and claiming any firsts,” a member of the local Inuit community wrote on social media.

Ten years ago, fishermen in Taiwan dredged a jawbone from the seafloor. Now, scientists say it belonged to a Denisovan man.

Cores extracted from the impact crater revealed evidence of an ancient, life-nurturing hydrothermal system in the wake of the catastrophe.

Users can grab and move virtual objects, akin to how we tap and drag things on our mobile phones.

A shattered porthole, likely smashed by the iceberg, is one of several haunting new details uncovered in a fresh look at Titanic’s 3D scans.

Wildlife crossings help decrease the millions of vehicle collisions with large animals that occur every year in the US

Pro tip: don't put your bear spray in your backpack!

The unusual plant is critically endangered, and hiking activities are threatening its habitat.

A British team has won first place in the Aqualunar Challenge for developing a system that purifies water extracted from lunar ice.

If he'd been successful, he might have spread a deadly disease to the Sentinelese people—or gotten himself killed.