Jesse Emspak

The earthquake that struck Nepal in April shook in a way that spared many small buildings in the city but devastated those more than two stories high, a new study finds.

A molecule used to track proteins could help stop such diseases as Mad Cow and Creutzfeld-Jakob.

Scientists shook "bricks" in a spinning chamber, and for the first time, showed that artificial building blocks can put themselves together just by banging around at random.

Plutonium is a metal, but it won't stick to a magnet, puzzling scientists for decades. Now researchers may have found this "missing magnetism."

A silicon nanoparticle battery may offer more juice, says Samsung, but problems remain on charge capacity.

Physicists have chilled molecules of sodium potassium to just a smidgen above absolute zero — colder than the afterglow of the Big Bang.

A new test could use just a small amount of your blood to reveal a slew of the viruses that have ever infected you.

Researchers are working to find ways to coax genetically engineered bacteria into detecting human diseases.

A new prosthetic arm can be wired to tap into the part of a person's brain that plans out movements before the muscles do them, giving a person smoother control over the limb.

In the future, back pain might be treated with implants that deliver drugs right where it hurts, which would make taking pills a thing of the past.

Two new medical innovations could improve cancer treatments by letting doctors deliver many drugs to a tumor at once, and observe each drug's effects.

People with asthma could benefit from new inhalers and apps that take advantage of smartphones' capabilities to track when and where users need to use their medication.

Here are some of the most accurate clocks ever built, from one that relies on chilled cesium atoms to an optical lattice atomic clock that loses a second only every 4.4 billion years.