New Ethiopian fossils show early Homo and Australopithecus lived together, revealing a complex human evolution story.

2024 broke all climate records with highest temperatures, greenhouse gases, sea levels, and glacier loss ever.

The research showed that tiredness and social setting also change how caffeine feels. When people were more tired than usual, ...

River otters in Chesapeake Bay reveal their diet and role in disease control through scat analysis by Maryland scientists.

Extreme heat and humidity together sharply raise cardiovascular emergency risks, highlighting climate-related health dangers.

Astronomers discover a rare white dwarf formed by a stellar merger, challenging what we know about star death and cosmic collisions.

Animal studies and clinical trials seek to tooth replacement prostheses with regenerated teeth that function naturally.

A decade of river data shows how the 2008 Wenchuan Earthquake triggered lasting sediment shifts - and long-term risks - in ...

Bryozoans, tiny reef-building animals, face growing threats from ocean acidification and warming, putting vital marine habitats at risk.

“These mysterious objects are candidate galaxies in the early universe, meaning they could be very early galaxies,” said ...

Monarch butterflies use Earth’s magnetic field as a compass. Cold winter temperatures reverse their direction for spring ...

A new keratin-based toothpaste may help rebuild enamel-like layers on worn teeth, offering sustainable protection.