A researcher explains what we know — and what we don't — about the link between loneliness and memory problems.

Dr. Swee Lay Thein and Dr. Stuart Orkin won the $3 million Breakthrough Prize in Life Sciences for their work toward a ...

A new and potentially safer opioid has been tested in lab rats, and the results suggest it relieves pain with a lower risk of ...

A large hole opened up in the sun's atmosphere this week, spewing high-speed solar winds that will paint northern lights ...

An ancient-DNA analysis of a rare Anglo-Saxon double burial revealed the people in the grave were brother and sister.

Photographers caught a spectacular emerald-green fireball meteor streaking above Lindisfarne in northeast England, where ...

The robot ‪—‬ which weighs 176 pounds (80 kilograms) and stands 5 feet, 3 inches (1.6 meters) tall ‪—‬ can operate for up to ...

In a strange medical case, a woman suddenly started hearing voices, and they directed her to seek care for a brain tumor.

A group of hackers used both Claude Code and ChatGPT in a cybersecurity hack that lasted two and a half months. Nine Mexican ...

A man known as the "Oslo patient" joins a short list of people in long-term remission from HIV following bone marrow ...

Homo erectus may have deliberately selected rocks embedded with fossils and crystals to craft their hand axes — possibly to ...

Scientists discovered that making a very small change to female mice's DNA caused them to develop male reproductive organs.