Data from the Cassini spacecraft shows that the geysers on the south pole of Enceladus are gushing out from vents that are each about the size of a professional sports stadium.
A planet comes dangerously close to a red giant, Mars displays ultraviolet light, a galactic mystery solved, and more in this week's best space photos.
A new radar-like survey technique that "strips" vegetation away to create images of the bare Earth is bound to find even more impact craters hidden worldwide, experts say.
Venus and Jupiter will shine just a few degrees apart in the evening sky on November 30, joined the following night by the moon in an unusual conjunction.
A breakthrough in fingerprint technology may help solve old crimes. A British forensic scientist has found a way to detect fingerprints on shell casings, even when a print has been wiped off.
A supermassive black hole at the center of a distant galaxy gently pumps out energy at regular intervals that keeps the black hole's growth in check, astronomers report.
Sloping features at Mars's mid-latitudes are the largest bulk of water ice not at the poles and could be leftover from past climate changes, radar data suggest.
Scientists are one step closer to creating a Harry Potter-like invisibility cloak. But when we'll be able to hide under the high-tech garments is a matter of "will and money," experts say.
A NASA astronaut accidentally lost a tool bag during a spacewalk Tuesday when a grease gun exploded. The kit is one of the largest items ever lost by a spacewalker.
Unexpected numbers of high-energy electrons could be physical evidence of the mysterious substance—or they may reveal a nearby astrophysical object that's bombarding Earth.
Fossils suggest that much of Alaska was formed from a patchwork of small land chunks that collected against North America between 251 million and 60 million years ago.