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Dramatic plumes, both large and small, spray water ice out from many locations along the famed 'tiger stripes' near the south pole of Saturn's moon Enceladus. The tiger stripes are fissures that spray icy particles, water vapor and organic compounds. This mosaic was created from two high-resolution images that were captured by the narrow-angle camera when NASA's Cassini spacecraft flew past Enceladus and through the jets on Nov. 21, 2009. Imaging the jets over time will allow Cassin [...]

That's the message of a review of a pioneering programme run over the past decade in two jails and two secure mental hospitals

The world's brainiest invertebrates can be tricked by HD images, so we can study their personalities and behaviour

Anticipation is growing for new commercial suborbital spaceships that can serve the scientific and educational market.

Evidence from two Mars orbiters indicates that flowing lava carved some of the channels seen on the surface of the planet.

The International Space Station could continue to fly through 2028, eight years longer than current plans, the countries backing the outpost have said.

Genuine lunar water has been discovered in Apollo moon rocks, a finding that suggests the wet stuff originally came from comets.

NASA has begun vital repairs on its giant Mars Antenna at the Deep Space Network site in Goldstone, Calif.

Florida lawmakers on Wednesday introduced legislation to extend the shuttle beyond its scheduled retirement

NASA's Herschel telescope finds signatures of life-enabling molecules in Orion nebula.

A newly released photo from a German satellite has revealed the International Space Station (ISS) as an eerie apparition glowing in X-rays.

Is our Sun part of a binary star system? Some have suggested an unseen companion star, nicknamed "Nemesis," is sending comets towards Earth.

China has selected two female pilots as its first women astronauts, but they had to pass the marriage test first.

Score one more for Einstein. A new study has confirmed his theory of general relativity works on extremely large scales.

Space Exploration Technologies (SpaceX) aborted the Falcon 9 rocket's first static fire test March 9.

Saturn will be in opposition on Monday March 22 and visible all night.

The Smithsonian National Air and Space Museum in Washington, D.C. Tuesday for the world premiere of the Hubble 3D IMAX film.

Last month's 8.8 magnitude earthquake in Chile was so strong it might have shifted the axis of the entire Earth.