A Chinese science proposal plans to study how to get a giant spacecraft into space.
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?
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?
Could an immersive virtual-reality environment like the fictional Holodeck in "Star Trek" help people tackle global problems like climate change or drug policy?