In a high-tech version of those baking soda-and-vinegar experiments at science fairs, scientists have simulated a key stage of volcanic eruptions where steam and other fluids rushing through cracks in underground rocks create particular acoustic emissions

New findings at Stonehenge suggest its stones were erected much earlier than thought, challenging the site's conventional history

The Hubble Space Telescope's handlers are weighing a plan to turn on a never-used backup system to restore communications as early as next week. If it works, the world's favorite orbiting observatory could be back in business just a couple of days later.

The Ford Model T got 13-21 MPG (max speed 45 MPH), and it was the first flexible-fuel vehicle, running on gas, ethanol or both. After a century of oil industry lobbying, where are we now?

It looks like a tiny, blue, bug-eyed alien - its miniature spine visible through translucent skin. But this fascinating image is actually a close-up of a chicken embryo and finalist in a 'small world' photography competition

Here is a brilliant invention that makes it easy for people in third world countries or disaster areas to transport, filter and store water from distant sources. Called the "Aquaduct", it incorporates an ingenious pedal-powered filtration system that enab

Sweet article about a rumored new production style by Mac.

U.S. airlines could save $10 billion a year in fuel costs by 2025 if the FAA upgrades to a satellite-based air-traffic control system. As for the upgraded "NextGen" plan, AP says it would cost $35 billion.

Supercomputer simulations of dusty disks around sunlike stars show that planets nearly as small as Mars can create patterns that future telescopes may be able to detect.

An ambitious project to track down small, icy bodies circling in the far reaches of the solar system has gone cold.