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.'
25 July 2014, 04:43 PM ET
The countdown has begun for the liftoff of a space shuttle from Houston — and you are invited to take a front row seat. On Aug. 14, Space Center Houston's shuttle replica, the "Independence," will be hoisted by crane on top of NASA's Shuttle Carrier Aircr
25 July 2014, 04:36 PM ET
What was your favorite space news story of the last week?
25 July 2014, 04:04 PM ET
From a look again at the first footprints on the moon to the ISS view of Gaza, don't miss these amazing space images of the week for July 26, 2014.
25 July 2014, 03:37 PM ET
This NASA-produced video combines a greatest hits retrospective of past spaceflight with suggestions of humans-to-asteroid and Mars missions, plus animation of a yet unbuilt heavy lift launch vehicle.
25 July 2014, 03:13 PM ET
A Russian space capsule carrying a package of biological and materials research specimens, including geckos and plant seeds, has stopped responding to commands from Earth, the Russian space agency announced Thursday (July 24).
25 July 2014, 12:30 PM ET
German astronaut Alexander Gerst reflected on the grief he felt as he saw signs of the deadly Israel-Gaza conflict from the International Space Station.
25 July 2014, 07:25 AM ET
As the world celebrates the 45th anniversary of Apollo 11's giant leap to the moon, some people are eyeing the celestial body's bounty of resources. But it's unclear at the moment who is allowed to extract and profit from the moon's resources.
25 July 2014, 07:00 AM ET
Is the moon made of green cheese? Is it a hollow spaceship? Apollo 11 helped put these and other ideas to rest.
24 July 2014, 01:18 PM ET
It's commonplace to practice spacewalks underwater, but the latest crew living in an underwater lab plans to introduce a twist: a 10-minute communications delay with mission control.