Why it's so hard to quit
Researchers confirm a previously dismissed genetic mechanism is behind nicotine dependence as well as withdrawal effects
Mahmooda Sultana receives Goddard Space Flight Center award for work on nanomaterials
Gravitational waves had been predicted by Einstein in 1916, as an outgrowth of his groundbreaking general theory of relativity
Rainer Weiss, Barry Barish and Kip Thorne get Physics prize for ‘opening up unseen worlds’
Research evidence suggests wisdom level is dictated to a large degree by neurobiology
The NASA spacecraft will transmit data until the final moments of its meteor-like plunge into Saturn
Whitson, 57, ended an extended stay of more than nine months aboard the International Space Station
US spacecraft Cassini will in end its 13-year mission next month
This is the first coast-to-coast total solar eclipse in the US in nearly a century
UK scientists develop the world's smallest surgical robot, which could transform daily operations for tens of thousands of patients
