Caffeine may make sleep less restorative even when you fall asleep normally and stay in bed for eight hours, with EEG recordings revealing fewer of the slow brain waves associated with deep sleep.

A new AI control system lets MIT’s tiny flying robot move with insect-like agility, boosting its speed by about 450 percent and allowing it to pull off 10 somersaults in 11 seconds. The technology ...

A Yellowstone super-eruption would begin not with a sudden surprise, but with weeks of increasingly alarming warning signs such as migrating earthquake swarms, rapid ground uplift, changing geysers, ...

A minimally invasive procedure called genicular artery embolization could offer a new middle ground between conservative treatments and knee replacement for osteoarthritis. By blocking tiny blood ...

Stanford researchers have recorded the first real-time quantum jumps of sound, watching single phonons abruptly vanish from one energy state to another. The breakthrough could open new paths for ...

Researchers observed a humpback whale mother staying beside her presumed stillborn calf for hours and possibly days off Australia’s Gold Coast. She maintained eye contact and remained close to the ...

Researchers have created a concrete mixture that is both stronger and capable of absorbing carbon dioxide. The best formula, ...

Researchers have found evidence that long COVID may damage dopamine releasing neurons in the brain, potentially explaining ...

Genetic evidence has revealed a previously unknown gentoo penguin species on the remote Kerguelen Islands and shown that ...

Scientists at Oak Ridge National Laboratory have developed a surprisingly simple way to turn polyethylene, the common plastic used in shopping bags and cutting boards, into gasoline and diesel-like ...

Chronic inflammation tied to stress, lifestyle, mental health, and socioeconomic conditions may silently change the heart for ...

A sweeping review of more than 153,000 adults found that calcium and vitamin D supplements, alone or together, do little to ...