The vital commercial artery depends on a supply of fresh water to move ships between the two oceans. Drought conditions that were once rare could become common by the end of the century, greatly ...

Her response: "Because we know what it means." It was a revealing answer: China, unlike many other countries, tends not to make climate commitments that it doesn't understand or intend to keep. And ...

The asteroid belt is found orbiting between Mars and Jupiter and is a vast collection of rocks that is thought to be a planet that never formed. When our Solar System formed 4.6 billion years ago, the ...

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

Researchers have discovered a mysterious ancient lizard with snake-like teeth in Scotland. Breugnathair elgolensis is one of the oldest relatively complete lizard fossils and helps scientists better ...

In a proof-of-concept experiment, scientists demonstrated that you can create and fertilize human eggs in the lab using sperm, genes from skin cells, and the "shells" of existing egg cells.

"These findings provide some of the clearest evidence to date that repetitive head impacts can trigger lasting changes in the brain, even before the development of chronic traumatic encephalopathy ...

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

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.

Why do so many of our smartwatches and smart rings end up collecting dust? Here's what science says about long-term fitness tracking.