Science News

Toothy terror: dinosaurs like T. rex had unique serrated teeth


WASHINGTON - If you want to know the secret behind the success of Tyrannosaurus rex and its meat-eating dinosaur cousins, look no further than their teeth.

In Africa's 'cradle,' an old fossil site yields new finds

KROMDRAAI, South Africa - Crouched in a shallow square grid dug into the red African earth, American graduate student Sarah Edlund uses a hand brush to scrape soil into a dustpan.

27 Jul 2015

NASA spacecraft shows Pluto wrapped in haze, ice flows

CAPE CANAVERAL, Fla. - A stunning silhouette of Pluto taken by NASA’s New Horizons spacecraft after it shot past the icy orb last week show an extensive layer of atmospheric haze, while close-up pictures of the ground reveal flows of nitrogen ice, scientists said on Friday. | Video

24 Jul 2015

Astronomers discover most Earth-like planet yet

CAPE CANAVERAL, Fla. - A planet believed to be remarkably similar to Earth has been discovered orbiting a distant sun-like star, bolstering hopes of finding life elsewhere in the universe, U.S. scientists said on Thursday. | Video

23 Jul 2015

Scientists control mouse brain by remote control

Scientists have successfully altered the neural networks of laboratory mice using a wireless controller; allowing them to study the effects of neural stimulation without invasive procedures and without test subjects tethered by wires. | Video

Tech 24 Jul 2015

New crew arrives at space station after two-month delay

CAPE CANAVERAL, Fla - A Russian Soyuz capsule carrying three new crew for the International Space Station arrived at the orbital outpost on Wednesday after a two-month launch delay, a NASA TV broadcast showed. | Video

23 Jul 2015

Unmanned Delta rocket blasts off with U.S. military satellite

CAPE CANAVERAL, Fla. - An upgraded Delta 4 rocket delivered a $445 million U.S. military communications satellite into orbit on Thursday, the seventh member of a planned network of 10 satellites.

23 Jul 2015

Plant 'milkers' seek molecules for medicines and make-up

LARONXE, France - A quiet village in eastern France is home to an unusual greenhouse.

Health, France 22 Jul 2015

Bionic hand uses smart wires to mimic muscle fibers

Engineers in Germany have built a biologically inspired artificial hand with muscles made from bundles of 'smart' wires. An electric charge is all that's needed to make these wires tense or relax, meaning the hand can operate without the bulky and cumbersome electronics that often make artificial prosthetic hands impractical. | Video

22 Jul 2015

Faulty metal brace likely doomed SpaceX Falcon rocket, Musk says

CAPE CANAVERAL, Fla - A faulty metal brace in an unmanned SpaceX Falcon 9 rocket likely triggered the explosion that destroyed the booster minutes after liftoff from Florida last month, company chief Elon Musk said on Monday.

20 Jul 2015

South Korea declares country effectively out of MERS danger

SEOUL - South Korea declared on Tuesday it is effectively out of danger from Middle East Respiratory Syndrome (MERS), more than two months after the first case was reported and began spreading in hospital settings to kill 36 people.