Drones Bearing Parcels Deliver Big Carbon Savings

Last-mile delivery by a small drone takes much less energy per package than delivery by diesel truck

The Biden Administration Must Designate Civilian Satellites Critical Infrastructure

Nongovernment satellites are vulnerable to attack, and calling them critical infrastructure would make it easier for the U.S. to fight back

Beyond Quantum Supremacy: The Hunt for Useful Quantum Computers

With decades still to go until the first general-purpose quantum computers, the race is on to make today’s systems useful

Social networking pedophilia--how big a threat?

Self-Experimenters Step Up for Science

Eight stories of do-it-on-yourself discovery illuminate the promise and perils of a sample size of one

Intel Upgrades Stephen Hawking's Portal to the World

Movie audiences who went to theaters this fall to see The Theory of Everything got a glimpse of the challenges physicist Stephen Hawking has overcome to deliver his groundbreaking insights into the nature of black holes, space and time...