A timeline of 485 million years of Earth’s surface temperatures shows ancient greenhouse conditions were hotter than scientists thought.

Animals including mammals usually protect their brains from infiltrating microbes that can cause disease. But some fish seem to do just fine.

Unusual tusks on preserved skulls of dicynodonts influenced the look of a mythical beast painted by Southern Africa’s San people, a researcher suspects.

When the virus that causes mpox jumped onto the international stage in 2022, countries around the world, including the United States, turned to vaccines targeting the closely related smallpox virus to ...

If an infection takes hold in an ants’ nest, it could spell disaster for the whole colony. But some worker ants appear to have a workaround for that. When exposed to a pathogen, black garden ants ...

Practitioners of Ayurveda — a traditional Indian medicine system — have used the ashwagandha plant for thousands of years. These days, another group is giving the plant a fresh surge of ...

The two plasma fountains, spanning 23 million light-years, could shape cosmic structures far beyond their home galaxy.

An analysis of tissue samples from nearly 1,200 older adults found that the more insertions individuals had, the younger they died.

One of the most compelling potential signs of extraterrestrial communication might have an astrophysical explanation. Called the “Wow!” signal, the bright burst of radio waves has defied our ...

Scientists have measured the strange quantum phenomenon of entanglement in top quarks, the heaviest fundamental subatomic particles known. It’s the first detection of entanglement between pairs of ...

With explosive bursts of pollen, male Hypenea macrantha flowers knock some competitors’ deposits off hummingbird beaks before the birds reach females.

Neuroscientist Liz Chrastil’s brain scans before, during and after pregnancy are providing the first view of a mom-to-be’s structural brain changes.