11 August 2015, 03:46 PM ET
More than 6,000 'Star Trek' fans are now part of a giant online tribute to Leonard Nimoy, who played the Vulcan alien Spock on the famed series.
10 August 2015, 06:00 PM ET
Cosmonauts scrubbed a window, documented the International Space Station (ISS) exterior, collected an experiment and battled cold fingers during a speedy spacewalk Monday, August 10.
10 August 2015, 05:15 PM ET
The resulting radar images, which researchers combined into an asteroid flyby video, show that the asteroid, known as 1999 JD6, is a "contact binary" consisting of two lobes joined together.
10 August 2015, 02:30 PM ET
SpaceVR launched a Kickstarter campaign today (Aug. 10) to help get its high-definition 3D camera, known as "Overview One," to the International Space Station.
10 August 2015, 02:11 PM ET
For the first time (at least officially), NASA astronauts on board the International Space Station have tasted the product, or produce, of their work. They chomped on the lettuce freshly harvested from the Veggie growth system.
10 August 2015, 07:21 AM ET
Two Russian cosmonauts will venture outside the International Space Station today (Aug. 10) in a spacewalk to install equipment, pick up an experiment and take pictures of the station.
10 August 2015, 06:57 AM ET
As particles race around Saturn at breakneck speeds, their jostling and crashing may look random and haphazard — but a new mathematical theory brings a simple kind of order to the chaos that will help scientists understand rings across the universe.
10 August 2015, 06:50 AM ET
New "Marstronauts" will head to a Hawaiian simulation facility for a year, starting Aug. 28. Officials with the Hawaii Space Exploration Analog and Simulation (HI-SEAS) mission announced the selection of the six scientists on July 29.
09 August 2015, 07:16 AM ET
Venturing out into space wearing nothing but a spacesuit is a daring act in itself. But over hundreds of spacewalks since 1965, there are a few that stand out.
08 August 2015, 08:00 AM ET
If you ever want to travel truly "above and beyond" then you'll be interested in a new interactive flight exhibition – one that just launched on a multi-city tour to major science centers and air-and-space museums worldwide.
07 August 2015, 05:15 PM ET
NASA's NEOWISE mission has tracked down an elusive family of asteroids that shun regular orbits in the asteroid belt, instead preferring a crazy roller coaster ride through the solar system's equatorial plane.
07 August 2015, 04:45 PM ET
The Defense Advanced Research Projects Agency (DARPA) awarded Boeing, Northrop Grumman and Masten Space Systems new contracts to continue their work under "Phase 1B" of the XS-1 space plane program.
07 August 2015, 06:01 AM ET
Former NASA astronaut Pamela Melroy recently shared her experiences and insights about spaceflight and exploration.
06 August 2015, 04:11 PM ET
Astronaut Jerry Ross, who shares the world record for the most flights into outer space, has been decorated with military and NASA medals, awarded an honorary doctorate and enshrined into a hall of fame. But Ross' next accolade may be a nod above them all
06 August 2015, 01:30 PM ET
NASA formally notified Congress Aug. 5 that it is issuing a $490 million extension of an existing contract to purchase Soyuz seats from the Russian space agency, saying that it was forced to do so because of cuts in the agency’s commercial crew program.
06 August 2015, 10:45 AM ET
The U.S. Senate approved a bill Aug. 4 that extends two key provisions of commercial launch law and authorizes operations of the ISS beyond 2020.
05 August 2015, 04:15 PM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in July 2015.
05 August 2015, 01:01 PM ET
For the first time, astronomers have spotted a protogalactic disk — a giant whirling cloud of gas that gives birth to a galaxy — and the discovery could reveal clues about how galaxies form.
05 August 2015, 01:00 PM ET
Re-entry is ongoing for the crew that spent eight months in Hawaii simulating a Mars mission.
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.