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Mercury takes only 88 Earth days to orbit the sun.

If you're wondering whether birds are reptiles, know this: The reptile family tree is more varied and diverse than you might realize.

A section of the upper mantle and crust under the Sierra Nevada mountains is peeling away, in a process that may mimic how the continents we...

From stunning artwork to evidence of elaborate prehistoric butchering, Live Science takes a look at seven amazing caves that contain archaeo...

A new study conducted in mice suggests that, although it's not all good, our urge to scratch at itchy skin may have an evolutionary benefit.

A new smart fabric converts light into heat and can raise temperatures by more than 54 degrees Fahrenheit (30 degrees Celsius) after just 1...

Fake papers are contaminating the world’s scientific literature, fueling a corrupt industry and slowing legitimate lifesaving medical resear...

Researchers in China have developed a unique running stance for their four-legged robot, which allows it to move at far greater speeds than...

This deep-sea polar worm looks like it can't decide if it's dressed for a glitzy party or a gruesome massacre.

Test your knowledge of the Milky Way's size, speed, age, galactic neighbors and more.

The climate on such a world must be beyond bizarre.

Photokeratitis, or eye sunburn, can happen at any time of the year.

Feb. 1, 2025: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the w...

Neurotechnology raises many high-stakes ethical questions. Setting ground rules could help protect workers and ensure that tasks are adapted...

The new study reinforces warnings from doctors about abortion laws with limited or no exceptions.

An uptick in seismic activity on the volcanic island of Santorini has raised concerns about a potential eruption.

Footprints from people and animals feeling the eruption of Vesuvius in 1995 B.C. were recently discovered in a town near Pompeii.

The FDA has approved Journavx, an oral medication for treating pain that doesn't target the brain like addictive opioids.

DeepSeek's V3 and R1 models took the world by storm this week. Here's why they're such a big deal.

A nasal spray that contains esketamine — a potent derivative of ketamine — can now be taken on its own to treat adults with severe depressio...

The new technique could produce materials for use in helicopters, airplanes and spacecraft.

We’re launching a commenting system on our site — here’s how to join the conversation on Live Science.

The remains of Alexander the Great may lie under the streets of Alexandria, they may have been "eaten by a shark," or they may be somewhere...

The "vampire" find illustrates a popular fear that the "undead" could rise from their graves.

Think you know Mars? Test your knowledge of our neighboring planet's size, surface, history and more.