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.
29 July 2014, 10:21 AM ET
On July 31st, 1964, NASA's Ranger became first U.S. probe to deliver up-close images of the surface of the moon, right up until the moment of impact. It returned 4300 photos during its 3 day mission.
29 July 2014, 07:29 AM ET
A rocket launch from South America Tuesday evening (July 29) will mark the beginning of the end for a venerable line of European cargo spacecraft.
29 July 2014, 07:17 AM ET
The icy Saturn moon Enceladus sports at least 101 geysers, which reach all the way down to the satellite's subsurface ocean, new research suggests.
28 July 2014, 08:00 PM ET
The three spacecraft — two of which are fully operational and one of which is an experimental satellite — blasted off today (July 28) from Florida's Cape Canaveral Air Force Station, riding atop a United Launch Alliance Delta 4 rocket.
28 July 2014, 01:54 PM ET
Russian space officials say they've re-established contact with a capsule carrying geckos on a mission to mate in orbit. The spacecraft was feared to be in trouble after it stopped responding to commands from the ground.
28 July 2014, 01:29 PM ET
Arizona-based World View, which aims to loft passengers to the stratosphere by late 2016, will start launching research and education payloads on its unmanned test flights later this year, company officials said.
28 July 2014, 10:12 AM ET
The final Automated Transfer Vehicle (ATV-5) named the George Lemaître Mission, after the 'father of the Big Bang', will carry double the cargo load of its predecessor to the International Space Station. It is scheduled for launch on July 29th, 2014.
28 July 2014, 07:01 AM ET
The founding population of an interstellar colony should consist of 20,000 to 40,000 people, one expert says. Such a large group would possess a great deal of genetic and demographic diversity, giving the settlement the best chance of survival.
26 July 2014, 01:26 PM ET
A volunteer crew of mock Mars explorers emerged from their Martian habitat Friday (July 25) after four months living inside a dome atop a Hawaiian volcano. See how the HI-SEAS 2 mock Mars mission crew lived and worked on a 'Red Planet.'