Each year, roughly 8,000 deaths in the United States are associated with extreme temperatures. And as temperatures rise, this number could swell.

If the pluripotent stem cells can be turned into precursors to egg and sperm cells, the feat could potentially be a big deal for giant panda conservation.

The filamentous bacterium Corynebacterium matruchotii has a unique reproductive strategy that might allow it to claim territory quickly.

Cosmological data suggest unexpected masses for neutrinos, including the possibility of zero or negative mass.

With concerns that mpox may now spread more easily and be more severe, researchers warn that failing to curb the outbreak means “nobody is safe.” ...

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

Neandertals traveled at least two evolutionary paths on their way to extinction around 40,000 years ago, a new study suggests. Whether classified as a separate species or a variant of Homo sapiens ...

Black garden ants made tweaks to entrances, tunnels and chambers that may help prevent diseases from spreading.

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.

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

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