The world's richest man, Jeff Bezos, will blast into space in his first-ever suborbital flight. But what does that mean, and does it even matter?
A never-ending detonation could be the key to hypersonic flight and space planes that can seamlessly fly from Earth into orbit.
A U.S. Air Force base in Texas has taken the first steps to guard against an electromagnetic pulse (EMP) attack. But what, exactly, is an EMP, and how big is the threat?
An explosion off Russia's Arctic coast has led to speculation that the incident resulted from a failed test of a nuclear-powered cruise missile. Do the details add up?
DARPA hopes to invent ways to instantly read soldiers' minds using tools like genetic engineering of the human brain, nanotechnology and infrared beams.
Warnings of a Russian hypersonic weapon that the U.S. can't defend against may have had you running for the bomb shelter last week. But what, exactly, is this weapon, and how does it work?
In just minutes, an artificially intelligent machine cracked those jumbled text sequences called captchas that are used to distinguish human web users from spam-spreading robots. So much for that.
Brawling beasts may be relying on more than brute strength and size, say researchers, who now suggest the most skillful fighter may often come out on top.
A new type of 3D computer chip that combines two cutting-edge nanotechnologies could dramatically increase the speed and energy efficiency of processors, a new study finds.
A new way of refining biodiesel so that it works in standard diesel car engines could help broaden the use of renewable fuels, according to scientists.
A wingsuit pilot is hoping to break four world records in two death-defying jumps from an altitude higher than where commercial airliners fly.
Robots that occasionally act randomly can help groups of humans solve collective-action problems faster, new research has shown.
Almost all holograms contain a recording of just a single image, but now scientists at the University of Pennsylvania have built a hologram on stretchy material that can hold several images.
Tiny vehicles made from a single molecule will go head-to-head in the first ever NanoCar Race tomorrow.
In the late 1800s, France hosted the world's first competitive motor race, and now, the country will set the stage for the next revolution in motor sports: the first-ever "nanocar" race.