Beijing has a track record of only promising what it plans to deliver. But too often the world's attention is elsewhere.

A new analysis estimates that the asteroid belt is steadily losing mass each year, and may not be as permanent a feature of ...

The vital commercial artery depends on a supply of fresh water to move ships between the two oceans. Drought conditions that ...

New research finds the disappearance of glaciers in the Sierra Nevada will be unprecedented in the human history of North ...

Researchers have discovered a mysterious ancient lizard with snake-like teeth in Scotland. Breugnathair elgolensis is one of ...

In a proof-of-concept experiment, scientists demonstrated that you can create and fertilize human eggs in the lab using sperm ...

Years of hits in sports like football and soccer, even without concussions, can trigger neuron loss and inflammation in the ...

Your heart pumps blood from your head to your toes, provides cells with fresh oxygen, and removes waste products. Located in ...

From smart swimming goggles to waterproof smartwatches that sit on your wrist, these are our favorites tested and rated.

The Bering Land Bridge likely didn't emerge until around 35,000 years ago, much later than was previously thought. This narrows the window of when humans could have crossed over to North America.

A woman bruising her leg with a massage gun set off a medical odyssey that revealed scurvy, a disease seen fairly rarely in ...

A giant 'wave' is rippling through the Milky Way, pushing thousands of stars across the galaxy, and scientists don't know ...