05 August 2014, 03:10 PM ET
Four astronauts took to the sea to test technologies that could be used in space. The tests came amid spectacular simulated "spacewalks" during the NASA Extreme Environment Mission Operations mission.
05 August 2014, 01:40 PM ET
ESA's Rosetta spacecraft will enter comet 67P/Churyumov–Gerasimenko's orbit early Wednesday (Aug. 6) and you can watch the historic encounter live.
05 August 2014, 12:28 PM ET
Japan is gearing up to track dangerous space junk orbiting Earth, according to press reports. The nation plans to create a military space force that would be used to track dangerous objects that could do harm to functional satellites and other assets.
05 August 2014, 04:55 AM ET
Space Exploration Technologies launched AsiaSat 8 on a Falcon 9 rocket (9 Merlin 1D engines = 1.3Mlbs. thrust) from Launch Complex 40 at Cape Canaveral, Florida at 4:00am EDT on 5 August 2014. No test of recoverable-reusable booster was planned.
05 August 2014, 04:10 AM ET
The company's Falcon 9 rocket, which was carrying the AsiaSat 8 spacecraft, lifted off from Florida's Cape Canaveral Air Force station at 4:00 a.m. EDT, tracing an arc of orange flame across the dark southeastern skies.
04 August 2014, 06:05 PM ET
The private spaceflight company's Falcon 9 rocket is scheduled to launch the AsiaSat 8 satellite at 1:25 a.m. EDT (1525 GMT) from Florida's Cape Canaveral Air Force Station. You can watch the liftoff live here at Space.com, courtesy of SpaceX.
04 August 2014, 07:25 AM ET
The first successful NASA mission to the moon that paved the way for the Apollo landing celebrates its 50th anniversary this year.
02 August 2014, 10:43 PM ET
What was your favorite space news story of the last week?
02 August 2014, 03:02 PM ET
From weird orbits of alien planets to a gecko-filled space capsule, don't miss these amazing space images of the week for Aug. 2, 2014.
02 August 2014, 09:28 AM ET
The European Space Agency's Rosetta spacecraft is scheduled to rendezvous with Comet 67P/Churyumov-Gerasimenko on Wednesday (Aug. 6). If all goes according to plan, Rosetta will on that day become the first probe ever to orbit a comet.
02 August 2014, 08:52 AM ET
The United States Air Force launched a new, advanced GPS satellite into orbit today (Aug. 1) from Florida.
01 August 2014, 03:59 PM ET
Researchers have found that a "quantum vacuum plasma thruster" system, which requires no propellant, does indeed generate a small amount of thrust. If the technology pans out, it could greatly reduce the cost of spaceflight.
01 August 2014, 02:51 PM ET
Starting over Bangkok and flying over Hanoi, the Hainan Islands, Hong Kong and more, these spectacular nighttime views of the major Asia cities were captured from the ISS. With the exception of Pyongong, most of North Korea is dark.
01 August 2014, 01:00 PM ET
The United States Air Force will loft a new, advanced GPS satellite into orbit tonight (Aug. 1), and you can watch the launch live online.
01 August 2014, 07:36 AM ET
At an upcoming space memorabilia auction, among the astronaut autographs, spacecraft parts and mission patches, is a 45-year-old press kit from the first lunar landing. It isn't the sale's star lot, but what it teaches about 'Marketing the Moon' may be it
01 August 2014, 07:33 AM ET
NASA's next Mars rover could help humans get a foothold on the Red Planet.
01 August 2014, 12:00 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in July 2014.
31 July 2014, 03:24 PM ET
NASA's Mars 2020 mission will send a car-size rover to the Red Planet to collect samples. See how the Mars 2020 rover will work in this Space.com infographic.
31 July 2014, 02:41 PM ET
See photos and images of NASA's next Mars rover, a 1-ton robot launching toward the Red Planet in 2020.
31 July 2014, 01:55 PM ET
NASA's next big Mars rover launching in 2020 will be packed to the brim with high-tech instruments, including twin lasers, a water-hunting radar and a new drill to collect samples of Mars. See the seven science instruments on NASA's Mars rover 2020.
31 July 2014, 11:16 AM ET
NASA astronaut Mark Vande Hei explains how he trains for assignments in space during a long stay in the Aquarius underwater laboratory in the Florida Keys National Marine Sanctuary.
31 July 2014, 07:35 AM ET
NASA's Mars Atmosphere and Volatile EvolutioN mission (MAVEN) is closing in on the Red Planet. At the same time, an interloper, comet Siding Spring, is also approaching.
30 July 2014, 04:33 PM ET
Images taken by a European probe en route to link up with a comet, have revealed a striking feature of the target comet coming into view.
30 July 2014, 02:56 PM ET
Europe's line of space freighters is going out with a (big) bang. Named “Georges Lemaître” after the Belgian priest and astronomer who proposed what became the Big Bang theory, the European Space Agency's fifth and final Automated Transfer Vehicle has lau
30 July 2014, 07:21 AM ET
A private team is priming a 36-year-old NASA spacecraft to perform new science as it travels through interplanetary space after attempts to move the probe into a position closer to Earth failed.
30 July 2014, 07:18 AM ET
While praising NASA's efforts and focus on in-space manufacturing, the U.S. National Research Council report stressed that the agency should organize its various centers to identify priority projects for use on the station.
29 July 2014, 07:55 PM ET
The European Space Agency's fifth Automated Transfer Vehicle (ATV-5) blasted off from French Guiana Tuesday evening (July 29), kicking off the final mission for this line of unmanned spacecraft, which has been resupplying the station since 2008.
29 July 2014, 07:44 PM ET
The fifth Automated Transfer Vehicle (ATV-5), named "Georges Lemaître", was launched from Kourou, French Guiana on July 29th, 2014 aboard an Ariane 5 rocket. It is the heaviest spacecraft ever launched by ESA. Full Story: http://goo.gl/vdgLGx
29 July 2014, 04:35 PM ET
A company plans to place two new cameras on the outside of the International Space Station in a bid to provide more live views of Earth from space.
29 July 2014, 04:28 PM ET
The European Space Agency's ATV cargo vehicle delivers 8.3 tons of solid and liquid cargo to the International Space Station. See how the unmanned spacecraft work in this Space.com infographic.
29 July 2014, 02:23 PM ET
Attempts to move a 36-year-old NASA probe closer to Earth have failed, but only because the vintage spacecraft is simply out of gas, according to the team of volunteer engineers now controlling the spacecraft.
29 July 2014, 02:00 PM ET
A new space plane prototype's launch in November could pave the way toward the creation of a reusable cargo vehicle that would survive the blistering re-entry into Earth's atmosphere, according to the European Space Agency.