Elephants often rumble in overlapping choruses, and machine learning shows those calls carry clues about what the group is ...

Today’s Image of the Day from NASA Earth Observatory shows the changing extent of Arctic sea ice. A vast layer of frozen ...

Climate models may underestimate tiny marine aerosol particles that help clouds form, potentially affecting estimates of ...

A cannabis-like drug activated fear-related brain cells in mice, offering clues to why high doses of cannabis can sometimes ...

Prolonged immune signaling can switch from fighting cancer to helping tumors grow by triggering changes that suppress the immune attack.

A new magnetic test can distinguish ancient pottery from modern fakes by detecting a hidden signal that builds up in clay over centuries.

They’re trying to figure out how little sleep they can get without hurting how they feel and function the next day. The cutoff most sleep studies use for that is six hours, but a new study suggests a ...

Pistachios contain several nutrients and plant compounds involved in sleep-related processes, including those used to make ...

Popular park reservation systems may favor visitors from wealthier areas when permits require early planning or fast booking.

Green swordtail fish shaped virtual mates by making repeated choices, revealing clear male preferences and more varied female ...

New World blackbirds such as orioles and grackles seem to have reached South America millions of years before the Panama land ...

Women in the small Sardinian town of Bolotana have shown remarkable longevity, with an unusually high estimated chance of ...