28 July 2015, 07:04 AM ET
See how Switzerland plans to clean up space junk using a small claw-equipped satellite.
28 July 2015, 07:00 AM ET
A new image captured by NASA's Cassini spacecraft highlights an impact basin on the Saturn moon Tethys. Called Odysseus, the 280-mile-wide (450 kilometers) impact basin is nearly half as wide as the satellite itself.
28 July 2015, 03:23 AM ET
You've been blown out your spaceship's airlock without a spacesuit — now what?
27 July 2015, 05:50 PM ET
Scientists and engineers had to work at breakneck speed to get New Horizons launched during a brief window in January 2006, or the probe's highly anticipated Pluto encounter would have been pushed into 2016 at the earliest.
27 July 2015, 03:30 PM ET
The dream of returning humans to the moon could become a reality for the relatively low price of $10 billion, as long as NASA is willing to buy from private spaceflight companies, a new report shows.
27 July 2015, 03:20 PM ET
The UK Space Agency has released its National Strategy for Space Environments and Human Spaceflight. This strategy covers a range of scientific and technical disciplines, giving a picture for activities that use the space environment.
27 July 2015, 02:00 PM ET
A United Launch Alliance Delta IV Medium rocket will launch the seventh Wideband Global SATCOM (WGS-7) mission for the U.S. Air Force on July 23, 2015, from Cape Canaveral Air Force Station, Florida.
27 July 2015, 11:45 AM ET
NASA astronaut Scott Kelly is one of two people trying to last a year in space. These are some of his best pictures so far.
27 July 2015, 09:47 AM ET
On the Hubble Servicing Mission 4, astronaut Mike Massimino encountered a screw that refused to budge. The now infamous screw, which was attached to a handle of the space telescope that needed to be removed, caused some anxiety in 2009.
27 July 2015, 07:31 AM ET
An Arctic crater holds promise for figuring out how to spot something interesting on the moon or Mars, an astronaut says.
27 July 2015, 06:00 AM ET
The famous bright spots at the bottom of Ceres' Occator crater appear to be sublimating material into space, creating a localized atmosphere within the walls of the 57-mile-wide (92 kilometers) hole in the ground, new observations by NASA's Dawn spacecraf
26 July 2015, 06:00 AM ET
Planet like an older Earth is found, Stephen Hawking signs on to an ambitious search for extraterrestrial life and a faulty strut is proposed as the cause of SpaceX's rocket explosion in Space.com's top news stories of the week.
26 July 2015, 06:00 AM ET
From amazing new views of Pluto's glaciers and mountains to artist's depictions of newfound "Earth cousin" Kepler-452b and photos of sunspots captured from Mars by NASA's Curiosity rover, don't miss these stunning space images.
24 July 2015, 05:14 PM ET
The U.S. Air Force successfully launched the latest addition to a multisatellite military communications array. The launch also marked the first use of a new main engine meant to standardize Delta IV launch vehicle configurations.
24 July 2015, 04:08 PM ET
Amazing new photos of Pluto from NASA's New Horizons spacecraft show a dwarf planet covered in rugged terrain, exotic flowing ices and a hazy atmosphere. NASA unveiled the new discoveries on July 24, 2015.
24 July 2015, 02:34 PM ET
The northwestern Sputnik Planum and Hillary Montes is highlighted in this simulated fly-by. Created from images obtained from NASA's New Horizons probe's close fly-by.
24 July 2015, 12:10 PM ET
NASA's New Horizons probe is about to lift the veil on Pluto. See Space.com's complete coverage of the spacecraft's epic July 14 flyby of the dwarf planet.
24 July 2015, 06:00 AM ET
Japan's asteroid-scooping spacecraft Hayabusa 2 is on its way to an asteroid known as 1999 JU3. Now, the country's agency is inviting the public to come up with a clever name for the mission's target.
23 July 2015, 06:03 PM ET
Get ready, Plutophiles: More exciting science from the New Horizons mission to Pluto will be announced in a media event today (July 24).
23 July 2015, 02:43 PM ET
Astronomers have announced the discovery of planet Kepler-452b, orbiting a star very much like the sun but older and hotter.
23 July 2015, 08:00 AM ET
A new guide breaks down how to choose a career in the space industry — and how to land a truly out-of-this-world job.
22 July 2015, 05:42 PM ET
NASA astronaut Kjell Lindgren, Russian cosmonaut Oleg Kononenko and Japan Aerospace Exploration Agency astronaut Kimiya Yui launched aboard from the Baikonur Cosmodrome in Kazakhstan on July 22nd, 2015.
22 July 2015, 05:20 PM ET
NASA astronaut Kjell Lindgren, cosmonaut Oleg Kononenko and Kimiya Yui of Japan blasted off atop a Russian Soyuz rocket from Baikonur Cosmodrome in Kazakhstan today at 5:02 p.m. EDT (2102 GMT). The trio arrived at the space station at 10:45 p.m. EDT.
22 July 2015, 02:04 PM ET
Not only has NASA’s New Horizons mission confirmed that Pluto has an extended atmosphere, after its historic flyby on July 14, the spacecraft observed a “cavity” in the solar wind, revealing a long plasma tail reminiscent of a comet’s ion tail.
22 July 2015, 01:27 PM ET
What is blue, gold, and silver and links the final manned mission to launch to the moon with the next crew flying to the International Space Station? The Soyuz TMA-17M crew's mission patch.
22 July 2015, 07:07 AM ET
Prior to the June 28 Falcon 9 rocket explosion, SpaceX had enjoyed 20 straight successful launches over a seven-year stretch. That track record perhaps made the company a bit complacent, Musk told reporters Monday (July 20).
22 July 2015, 07:01 AM ET
NASA astronaut Kjell Lindgren, cosmonaut Oleg Kononenko and Japan's Kimiya Yui are scheduled to blast off aboard a Russian Soyuz spacecraft from Baikonur Cosmodrome in Kazakhstan at 5:02 p.m. EDT (2102 GMT). Watch the launch here on Space.com.
21 July 2015, 03:10 PM ET
Claudia Alexander, a beloved NASA project scientist who spearheaded NASA's side of the comet-exploring Rosetta mission and Galileo mission investigating Jupiter, has died at age 56.
21 July 2015, 02:24 PM ET
New photos captured by NASA's New Horizons spacecraft during its historic Pluto flyby last week reveal intriguing new details about Nix and Hydra, two of the dwarf planet's five satellites.
21 July 2015, 07:51 AM ET
The U.S. Air Force's DMSP-F13 satellite blew apart on Feb. 3, spawning a new cloud of space junk. Early indications pointed to a problem with the satellite's power system, and those suspicions have now been borne out by the full investigation.
20 July 2015, 04:41 PM ET
The Space Launch System RS-25 engine was test fired at NASA's Stennis Space Center on July 17th, 2015. The engine was tested at several power levels, "including a period of firing at 109 percent of the engine’s rated power," according to NASA.
20 July 2015, 04:41 PM ET
This spectacular space wallpaper shows the Deep Space Climate Observatory (DSCOVR) satellite's first view of the entire sunlit side of Earth, taken from one million miles away on July 6, 2015.