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Getting older might seem like a slow, gradual process - but research suggests that this is not always the case.

Archaeologists have discovered a 10,000-year-old site with rock art in Egypt's Sinai Peninsula, the country's Ministry of Tourism and Antiquities said Thursday.

The biggest planet in our Solar System just got a little smaller.

Some forms of dementia may not be confined to the central nervous system; they may not even begin in the brain.

Human sperm can swim through surprisingly viscous fluids with ease - and they seemingly defy Newton's third law of motion to do so.

Scientists have taken a major step toward treating spinal cord injuries that cause paralysis.

NASA is set to launch four astronauts to the International Space Station on Friday, replacing a crew that was evacuated early due to a medical issue.

Osteoporosis is a bone-weakening disease that afflicts tens of millions of people, and much-needed new treatments could be on the way after researchers discovered a key mechanism behind how exercise strengthens bones.

Surprised astronomers said Thursday they have discovered a star with planets in a bizarre order that defies scientific expectations - and suggests these faraway worlds formed in a manner never seen before.

Could a simple patch, inspired by the weight-loss drug Ozempic, really help you shed excess kilos without the pain and effort of an injection? Promotions of these Ozempic-style, weight-loss patches are popping up online, promising dramatic results .. ...