A strange, new species of ribbon worm, Pararosa vigarae, stretches its body like an accordion, capable of shrinking to ...

A study reveals how seabream change sex and why some males invest more sperm, rewriting the hidden biology of these fish.

Slow orbital changes caused pulses in Earth's oxygen cycle 500 million years ago, which spurred explosions of animal life.

Researchers tracked brain activity across 24 hours, showing how shifting neural control centers drive fatigue and how sleep ...

Study maps five major eras of brain wiring from birth to old age, revealing the key turning points that shape how we learn, ...

Fossil skulls reveal how extinct mammals smelled the world, with new research linking olfactory bulb size to gene counts.

Archaeologists discover a Viking grave in Senja containing the remains of a woman and a her beloved dog in a boat.

Two Roman swords found in Gloucestershire reveal a hidden settlement dating back 2,000 years and the possible remains of a ...

The Chathams sit roughly 785 kilometers (488 miles) east of mainland New Zealand and have long been a crucible of endemic ...

Researchers have reclassified a long-misidentified fossil from New Mexico as Ahshiselsaurus wimani, a newly recognized giant duck-billed dinosaur that offers fresh insights into hadrosaur evolution ...

Archaeologists uncover a Roman stadium hidden for 1,800 years in Syedra, a modern structure that changes what you knew about ...

A common virus carried by most humans could trigger lupus, offering new clues for preventing and treating this dangerous ...