Unmanned drones are increasingly used in combat, but humans are still at the heart of every mission

The largest nation on Earth is flying more people more places than ever before. Its struggle to do so without (further) destroying the environment could show the rest of the world a greener way to travel

An elite team of nuclear divers are risking their lives to help save a troubled industry.

This 10,000-rpm, no-pulse artificial heart doesn't resemble an organic heart--and might be all the better for it.

Can Brendan Foley and an army of shipwreck-seeking robots transform maritime archaeology?

Taylor Wilson always dreamed of creating a star. Now he’s become one.

Last May, a massive tornado leveled Joplin, Missouri. Was it chance, or a warning of things to come?

Patrolled by Predator drones, radar blimps, dogs, and scanners, the U.S./Mexico border is now a state unto itself: Borderworld.

New missions and discoveries on Earth, within our solar system and beyond are bringing us closer than ever to finding alien life on other planets.

Last December, Felisa Wolfe-Simon announced the discovery of a microbe that could change the way we understand life in the universe. Soon she found herself plunged into a maelstrom of bitter backlash and intemperate criticism. A dispatch from the frontiers of the new peer review.