Comet Lemmon, discovered earlier this year, is gearing up for a close approach to Earth later this month. It may become visible to the naked eye, allowing people to glimpse its surprising lime-green ...

An ocean flowing beneath the surface of Saturn's moon Enceladus is spewing ice that holds the building blocks of life.

Wildfire smoke pollution is estimated to have caused 41,380 excess deaths per year between 2011 and 2020, and this number could increase by more than 70% to 71,420 over the next 25 years due to the ...

HPV is the most common sexually transmitted infection worldwide; that stat includes both low- and high-risk strains. While it's primarily known for its potential to cause cervical cancer, exposure to ...

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

Chimps' ability to metabolize fermented fruit could explain our own predilection for alcohol. Chimpanzees could be consuming the equivalent of a beer and half a day from eating alcoholic fruits, ...

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 ...

A Chinese robotics company has unveiled what it describes as a realistic robot face, with plans to make humanoid robots more approachable and relatable.

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

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

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.

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 ...