The extinct “American cheetah” was not really a cheetah at all, but a puma relative with an unexpectedly flexible lifestyle.

Researchers have found a potential way to attack prostate cancers that evade treatment by changing their cellular identity.

A surprising immune system signal may help explain why zebrafish can regenerate damaged spinal cords so effectively.

A chemical commonly used in dry cleaning and found in some household products may be an overlooked threat to liver health.

A critically endangered roloway monkey has given birth just months after surgeons performed an unusual operation that saved ...

Cancer is becoming an even larger global health threat, with nearly 21 million people diagnosed and 9.8 million dying from ...

East Antarctica gained an astonishing 695 billion tons of ice between 2021 and 2023, temporarily slowing Antarctica’s ...

Researchers may have found a new way to weaken glioblastoma’s defenses against treatment. Blocking a protein called SET prevented tumors from forming in preclinical models, while targeting related ...

Indonesia’s dangerous peat fires are surging early in the 2026 fire season as a strengthening El Niño and severe drought dry ...

Scientists have found evidence that some gut bacterial populations can spread rapidly between people and across continents, ...

A large study of nearly 74,000 men suggests that long-term use of tadalafil, best known as Cialis, may be linked to a higher ...

Older adults at risk of dementia improved their memory and thinking after following lifestyle programs combining exercise, ...