Space News

The Dawn mission's unprecedented deep-space feats are enabled by the probe's innovative propulsion system, which is about 10 times more efficient than traditional chemical thrusters, NASA officials say.

The British government March 3 trimmed a list of potential sites for a commercial spaceport to six, although the public corporation that operates two airports on the list says it is not interested in pursuing a spaceport...

Although the U.S. Air Force hasn't concluded its investigation of the Feb. 3 incident that caused a 20-year-old military weather satellite to strew debris, experts say the public details are consistent with a catastrophi...

Space debris experts at the European Space Agency said March 4 that they have concluded the explosive breakup of a U.S. Air Force weather satellite last month does not present a threat to nearby ESA spacecraft. The post ...

I for one have never witnessed the northern lights in person, and like many people I experience them vicariously through the photography and videos of more well-traveled (or more polar-bound) individuals. Typically these...

Some of the galaxies in our universe are veritable star nurseries. For example, our own Milky Way produces, on average, at least one new star every year. Others went barren years ago, now producing few if any new stars.

Two astronauts in space said goodbye to a science fiction legend on Earth by beaming back striking photos from the International Space Station.

NASA's Chandra X-ray Observatory: A galaxy cluster located about one billion light years from Earth.

A handful of new stars are born each year in the Milky Way, while many more blink on across the universe. But astronomers have observed that galaxies should be churning out millions more stars, based on the amount of int...

Ears are such terrific pattern finders that scientists are using audio data to detect cancer cells and particles from space --

MIT: Study explains why galaxies don't churn out as many stars as they should. A handful of new stars are born each year in the Milky Way, while many more blink on across the universe. But astronomers have observed that ...

Astronomers have watched a pulsar some 25,000 light-years from Earth slip from view, swallowed by a companion star's warp in the fabric of space-time. This wacky effect is one more example that proves Einstein's general ...

Dark matter may be one of the greatest mysteries of the universe, but it could help solve a puzzle about the sun that has been baffling scientists for years, researchers say.

United Launch Alliance is tapping the wisdom of the crowd to choose a name for the rocket it is developing to replace the Atlas 5 and the Delta 4 launch vehicles around the end of the decade. The post ULA Crowdsourcing t...

On March 6, the Dawn spacecraft will ease into orbit around the dwarf planet Ceres. This is the visit to a dwarf planet (New Horizons will flyby Pluto later this year) and scientists are eager to see its surface in detai...

From the International Space Station, European Space Agency astronaut Samantha Cristoforetti (@AstroSamantha) took this photograph of the island of Hawaii and posted it to social media on Feb. 28, 2015....

Three International Space Station crew members are scheduled to leave the orbiting laboratory Wednesday, March 11 after almost six months in space performing scientific research and technology demonstrations.

Media accreditation is open for the launch of NASA's next commercial cargo resupply flight to the International Space Station. SpaceX and NASA soon will set an April target date for launch of the company's Dragon spacecr...

The largest, most powerful booster ever built for NASA's new rocket, the Space Launch System (SLS), will fire up for a ground test at 11:30 a.m. EDT (9:30 a.m. MDT) Wednesday, March 11, at Orbital ATK Propulsion Systems'...

Astronomers have found that the growth of galaxies containing black holes can be slowed down by a phenomenon referred to as cosmic precipitation.

The constellation Gemini is currently well placed in the evening sky, just above and to the left of Orion for observers in the Northern Hemisphere. Here's how to see it.

As a pair of astronauts cleans up their spacesuits after completing a set of spacewalks, more nanosatellites were deployed from Japan's Kibo lab module. The International Space Station also raised its orbit Tuesday morni...