Science News

University of California, Berkeley, scientists have proved a fundamental relationship between energy and time that sets a "quantum speed limit" on processes ranging from quantum computing and tunneling to optical switchi...

Genetically modified E. coli have been created to survive only if they have access to unnatural amino acids, dying if they escape into the wild

Health officials recommend that people get 150 minutes of moderate activity per week, but some researchers argue that guidelines should instead focus on getting people to be just a little bit more active.

A new map of the proteins found in human tissues reveals exactly which proteins are special to organs such as the liver or brain, and which ones are common across all tissues in the body.

New laser-driven compression experiments reproduce the conditions deep inside exotic super-Earths and giant planet cores, and the conditions during the violent birth of Earth-like planets, documenting the material proper...

"I did it without thinking," people often say after saving a stranger's life. The truth is, heroism develops over a lifetime - and it's never too late to learn (full text available to subscribers)

She's your personal assistant, your photographer, your butler and your home security guard -- and she's a robot.

The company Robotbase is building a personal robot that can keep your home secure, help you chat with loved ones and even read bedtime stories.

University of Chicago scientists have experimentally observed for the first time a phenomenon in ultracold, three-atom molecules predicted by Russian theoretical physicsist Vitaly Efimov in 1970.

Once again, the High Energy Stereoscopic System, H.E.S.S., has demonstrated its excellent capabilities. In the Large Magellanic Cloud, it discovered most luminous very high-energy gamma-ray sources: three objects of diff...

New laser-driven compression experiments reproduce the conditions deep inside exotic super-Earths and giant planet cores, and the conditions during the violent birth of Earth-like planets, documenting the material proper...

Light is the fastest thing around, but shaped beams travel slower than expected, even in a vacuum. No need to throw your physics textbooks out yet though

The first big batch of science results from the European Space Agency's Rosetta spacecraft are just out. Here's our pick of the bunch.

Any event that creates photons may leave a kind of electromagnetic echo. If so, echoes from the big bang itself may still be detectable

The shape of fossil hand bones found in Africa suggests the first toolmakers walked on Earth before humans did

Google Maps isn't just for finding a nearby burger joint anymore. Now, users can tour the USS Constitution using Google Maps' Street View.

SpongeBob was recently spotted sinking down to the deep oceans of a toddler's belly.

A drug that protected mice three days after exposure to radiation could buy more time for survivors of a nuclear disaster

Did the meteorite blamed for wiping out the dinosaurs do it by igniting global firestorms of tremendous heat? Only one way to find out...

Frustrated with a lack of international action to address climate change and shrink nuclear arsenals, The Bulletin of the Atomic Scientists decided to push the minute hand of its iconic Doomsday Clock to 11:57.

Many U.S. women who are in their childbearing years are prescribed opioid painkillers, powerful medications that can cause birth defects, a new study finds.

The beard on the burial mask of King Tutankhamun, one of Egypt's most well-known pharaohs, was glued back on with epoxy after being knocked off during cleaning, according to conservators at the Egyptian Museum in Cairo.