04 August 2015, 03:59 PM ET
Six people spent two-thirds of a year in the HI-SEAS (Hawaii Space Exploration Analog and Simulation) analog pretending to be Martian astronauts. Here's a look inside the science, work and fun they had during their time on "Mars."
04 August 2015, 12:19 PM ET
Two and a half years after an expedition led by the CEO of Amazon.com raised them off the seafloor, the historic rocket engine parts that launched NASA astronauts on at least three missions to land on the moon are now preserved for museum display.
03 August 2015, 05:56 PM ET
After an accidental fire in December ripped apart The Mars Society's greenhouse at a facility in rural Utah, the group is asking the public to help raise money for a new one.
03 August 2015, 05:30 PM ET
Broomfield, Colorado-based Escape Dynamics announced July 17 it carried out a small-scale test in the laboratory of its beamed microwave thruster. In that test, the company beamed microwave energy to a thruster, heating helium propellant and generating a
03 August 2015, 05:22 PM ET
Just two days after the second full moon of July created a so-called blue moon, a NASA photographer captured some stunning views of the International Space Station zipping across the lunar landscape.
31 July 2015, 06:55 PM ET
From an amazing view of Africa from space to a tint galaxy bursting with stars, don't miss these stunning space images.
31 July 2015, 08:51 AM ET
Russia has formally notified its International Space Station partners that it will continue in the partnership at least to 2024, ending several months of doubts that were fueled by the current poor state of Russia’s relations with the West.
31 July 2015, 08:45 AM ET
XCOR Aerospace, a company developing a two-seat suborbital spaceplane for tourism and research applications, plans to raise its ticket prices by 50 percent next year, the company announced July 16.
31 July 2015, 06:00 AM ET
Time magazine's "Year in Space" documentary offers an inside look into the 12-month stint Scott Kelly is spending aboard the International Space Station and also delves into his life as an astronaut.
29 July 2015, 09:42 AM ET
Astronauts aboard the International Space Station had a little bit of fun with a Red Camera, antacid tablet and a water bubble
29 July 2015, 08:30 AM ET
The photo shows SpaceShipTwo pilot Peter Siebold floating back to Earth via parachute on Oct. 31, just moments after the vehicle broke apart in a test-flight disaster that killed co-pilot Michael Alsbury.
29 July 2015, 07:00 AM ET
Researchers are making strides on a radio telescope array that would be unfurled on the farside of the moon by an unmanned rover operated by astronauts hovering nearby at a gravitationally stable point in space.
28 July 2015, 04:00 PM ET
The fatal breakup and crash of Virgin Galactic's first SpaceShipTwo space plane last year was caused by a co-pilot error, as well as the failure of the spacecraft's builders to anticipate such a catastrophic mistake, federal safety investigators say.
28 July 2015, 02:52 PM ET
The pilots hired to fly SpaceShipTwo have extensive flight and spaceflight experience.
28 July 2015, 02:30 PM ET
The founder of Virgin Group gives a statement in regards to the report. The NTSB found that the co-pilot triggered the failure.
28 July 2015, 10:07 AM ET
The Smithsonian's Kickstarter crowdfunding campaign to conserve, digitize, and display astronaut Neil Armstrong's Apollo spacesuit rocketed to success and is now reaching to "reboot" Alan Shepard's Freedom 7 suit and other historic space artifacts.
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, 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.
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, 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, 07:01 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.
20 July 2015, 03:53 PM ET
SpaceX CEO Elon Musk said today (July 20) that the June 28 failure of its Falcon 9 rocket was likely caused by a faulty steel strut on the upper stage, which broke during ascent, leading to the destruction of the rocket and Dragon capsule.
20 July 2015, 12:12 PM ET
The Smithsonian has launched its first-ever crowdfunding campaign to conserve, digitize and return to display the spacesuit that Neil Armstrong wore on the moon. The institution partnered with Kickstarter to raise $500,000 and "Reboot the Suit."
19 July 2015, 03:19 AM ET
Gorgeous views of Pluto and its ice mountains, its largest moon Charon to the release of Plutos USPS stamp, don't miss these amazing space images.
17 July 2015, 07:00 AM ET
Hardware developed for the race to the moon was used to foster collaboration between the two countries.
17 July 2015, 06:00 AM ET
On July 17, 1975, NASA astronauts aboard an Apollo spacecraft linked up with cosmonauts in their Soyuz capsule. The Apollo-Soyuz Test Project meetup showed that two different space vehicles could dock in orbit, but it had diplomatic consequences as well.
12 July 2015, 02:47 AM ET
NASA's New Horizons probe captured amazing images of Pluto, scientists revealed details about a proposed superpowerful space telescope and NASA announced its first four commercial-crew astronauts. Here are Space.com's top stories of the week.
11 July 2015, 01:16 AM ET
From gorgeous views of Pluto and its largest moon Charon to an amazing shot of the International Space Station crossing the moon's face, don't miss these amazing space images.
10 July 2015, 06:30 PM ET
The Falcon 9 exploded less than 3 minutes after blasting off on June 28, scuttling SpaceX's seventh contracted resupply flight to the orbiting lab for NASA. The consequences of the mishap will probably be substantial for the company, Musk said.