The Environmental Protection Agency report says climate change is unequivocally causing hurricanes and heat waves.
Common bacteria found on spacecraft may be able to survive the harsh environs of Mars long enough to inadvertently contaminate Mars with terrestrial life.
A team of researchers from Japan and Michigan Technological University has built a massively parallel molecular computer.
The US military has apparently lost contact with an experimental hypersonic vehicle over the Pacific Ocean.
A German team has developed software that lets drivers steer simply by looking in the direction they want to go.
They say strangers are just friends you haven't met yet - but it's not a view Stephen Hawking shares. In a new documentary series for the Discovery channel, he suggests that we should be avoiding making contact with aliens at all costs.
WHOI scientists have discovered a group of giant asphalt domes under the sea off Santa Barbara, California.
Japanese scientists are preparing to develop "mind-reading" robots and consumer electronics that can be controlled by thought.
The Hubble Space Telescope celebrates its 20th birthday today with the release of another photo that could come straight from the cover of a 1970s prog rock album.
Save the whale, and it'll save you too, say Australian scientists, by recycling iron in the ocean through its poo.
A new long-term study is to investigate a possible link between the use of mobile phones and long-term health problems such as cancer.
The oceans are acidifying more quickly than at any time in hundreds of thousands of years, the National Research Council has reported to Congress.
Significant problems have forced the US Transportation Department to take a step back from upgrading its highly outdated air traffic control system.
Viewers who feel limited by Hulu's five episode cap for each series will soon be able to pay a monthly fee for unlimited access to an entire back-catalog of TV content.
The United States Air Force (USAF) is preparing to launch a top-secret robotic space plane from Cape Canaveral, Florida.
Caltech researchers have built a device that produces highly focused, high-amplitude acoustic signals dubbed 'sound bullets'.
The new Solar Dynamics Observatory (SDO) could be as important to science as the Hubble Space Telescope, says NASA, as it releases its first close-up pictures of the sun.
The US Treasury Department has introduced a new makeover to the $100 bill, which now has moving images, 3D effects, and changing colors as the most robust anti-counterfeit note in the country's history.
If you plan on flying out of Atlanta this summer, you'll be one of the first to see what could be the first of many new airport kiosks: one that offers movies and music downloaded directly to a memory card.
The Venus Express spacecraft has completed an 'aerodrag' exercise, using its solar wings to catch and measure faint wisps of atmosphere just 180km above the planet.