Like an earthquake in space, so-called spacequakes are temblors in Earth's magnetic field caused by plasma flying off the sun.

A giant black hole spouting energy from inside a galaxy is acting like a cosmic magnifying glass, giving astronomers a clear view of an even more distant galaxy behind it.

The huge European satellite Envisat is possible the most dangerous piece of space debris circling the Earth for the next 150 years, experts say.

The shrinking technology of cell phones, laptops and cameras are now leading to palm-sized satellites.

Hundreds of engineers and technicians working on NASA's space shuttles received layoff notices this week from United Space Alliance.

A new audio tour in Klingon will guide Trekkers through the spelunking frontier of Australia's Jenolan Caves.

The UK Space Agency has announced it will develop and launch a miniature cube-shaped satellite to be used for inexpensive science missions in low-Earth orbit.

A large asteroid in space that has a remote chance of slamming into to Earth would be more likely to hit the Earth in 2182, if it crashed into our planet at all, a new study suggests.

Astrobiology Magazine's Henry Bortman reports from the Pavilion Lake Research Project in British Columbia, Canada where he collected nasty-smelling microbial slime at nearby lakes.

Two Russian cosmonauts have accidentally lost a tool in space while spacewalking outside the International Space Station early Tuesday.

The next U.S. weather satellite has received its final observing instrument and will begin pre-launch environmental testing in October, NASA announced last week.

New studies of sediment layers show that widespread fire from a meteor explosion was not the trigger for abrupt climate change 12,900 years ago.

Solar sails are gaining popularity and could be tapped to settle an unproven theory by famed scientist Albert Einstein.

American Sign Language made its debut on the International Space Station in an address by NASA astronaut Tracy Caldwell Dyson.

Protecting Earth from menacing space rocks that could impact our planet should be designated a top-level NASA strategic goal, according to an agency task force.

A pair of U.S. missile defense satellites has passed vital tests in space after spotting three missile test launches from orbit.

A bright fireball streaks through the Phoenix sky, spotted fortuitously.

New measurements of Neptune's atmosphere from a European space telescope suggest that a comet may have impacted the outer-most planet in our solar system approximately two centuries ago.

Scientists inch closer to finding the Higgs boson particle.

This new animation, developed with the help of NASA's Pleiades supercomputer, illustrates how tropical cyclone Nargis formed in the Indian Ocean's Bay of Bengal over several days in late April 2008.