23 September 2013, 10:48 AM ET
NASA astronaut Karen Nyberg demonstrates how the COLBERT treadmill works on the International Space Station.
23 September 2013, 10:46 AM ET
The first object destined to leave our solar system, the Pioneer F spacecraft, carries this pictorial plaque to show other beings who, what, where and when the craft was designed.
23 September 2013, 09:38 AM ET
China's first manned space flight occurred in October 2003. Within 10 years since that flight, they've demonstrated rendezvous and docking, developed international partnerships and plans for the first Chinese space station
22 September 2013, 05:47 AM ET
A new robotic commercial cargo ship for the International Space Station skipped its first attempt to link up with the orbiting lab Sunday (Sept. 22) due to a rendezvous glitch that delayed its arrival for 48 hours, NASA officials say
21 September 2013, 09:25 PM ET
What was your favorite space news story of the last week?
21 September 2013, 10:21 AM ET
From Venus and the moon crashing a wedding photo to the milky way over an ancient temple, don't miss these stunning night sky and space from the last week.
21 September 2013, 07:01 AM ET
Orbital Sciences has contracted with NASA to make supply runs to the International Space Station.
20 September 2013, 06:58 PM ET
The unmanned Cygnus spacecraft is expected to be grappled by astronauts using the orbiting outpost's huge robotic arm at 7:25 a.m. EDT Sunday. If all goes according to plan, the spacecraft will be secured to its docking port beginning at 9:15 a.m. EDT.
20 September 2013, 06:04 PM ET
The private space company test fired the engines on upgraded Falcon 9 (v.1.1) on September 19th, 2013. The target launch window for the rocket opens on September 29th.
20 September 2013, 04:36 PM ET
Houston's space shuttle mockup has a new name — and a date for its unveiling. Space Center Houston, the official visitor center for NASA's Johnson Space Center, has announced Oct. 5 as the day it will christen its full-size orbiter replica.
20 September 2013, 02:55 PM ET
The Orbital Sciences Corporation Antares rocket, with the Cygnus cargo spacecraft aboard, is seen in this false color infrared image, as it launches from Pad-0A of the Mid-Atlantic Regional Spaceport (MARS), Sept. 18, NASA Wallops Flight Facility, Va.
20 September 2013, 12:17 PM ET
The space agency declared Deep Impact dead today (Sept. 20), six weeks after the last communication from the probe, which slammed an impactor into one comet and successfully flew by another icy wanderer during its long and productive life.
20 September 2013, 10:12 AM ET
The X-31 pilot practices a Herbst maneuver.
19 September 2013, 04:39 PM ET
Skywatchers across parts of the United States and southern Canada have several chances to spot the new private Cygnus spacecraft as it chases the International Space Station across the pre-dawn sky. Weather permitting, it will be possible to see both spac
19 September 2013, 10:13 AM ET
The two Apollo 13 crew members walk through the events of their upcoming EVA.
19 September 2013, 07:35 AM ET
NASA astronaut Chris Cassidy just landed back on Earth last week after spending more than five months aboard the International Space Station. SPACE.com will have a chance to chat with Cassidy on Thursday (Sept. 19) afternoon. What should we ask him?
19 September 2013, 07:00 AM ET
Comet ISON and Comet Siding Spring will buzz Mars over the course of the next year, prompting excitement and some concern that cometary particles could hit the spacecraft orbiting the Red Planet and exploring its surface.
19 September 2013, 06:00 AM ET
Members of the public, industry professionals and academics have descended upon Houson for the third annual 100-Year Starship symposium, which will discuss what the world needs to do to make interstellar travel a reality in the next 100 years.
18 September 2013, 03:54 PM ET
The mighty roar of a commercial rocket launching a brand-new private cargo ship on a stunning debut test flight from Virginia's Eastern shore today (Sept. 18) has NASA overjoyed and the spaceship's builder beaming with pride.
18 September 2013, 02:54 PM ET
This space wallpaper shows the Soyuz TMA-08M spacecraft with Expedition 36 Commander Pavel Vinogradov, Flight Engineer Alexander Misurkin and Flight Engineer Chris Cassidy, as it lands near the town of Zhezkazgan, Kazakhstan, on Sept. 11, 2013.
18 September 2013, 12:28 PM ET
The third in a series of highly secure U.S. military communications satellites successfully launched in the early morning hours of Sept. 18 aboard a United Launch Alliance (ULA) Atlas 5 rocket from Cape Canaveral Air Force Station, Fla.
18 September 2013, 11:12 AM ET
An Orbital Sciences' Antares rocket carrying the re-supply spacecraft launched from NASA's Wallops Flight Facility in Virginia on September 18th, 2013. This marks the second private company to launch a spacecraft to the International Space Station.
18 September 2013, 11:03 AM ET
An untested commercial spacecraft blasted off on its first trek to the International Space Station today, kicking off a major test flight for its Virginia-based builders and NASA. The unmanned Cygnus vehicle lifted off atop an Antares rocket.
18 September 2013, 10:23 AM ET
Iran announced that it has picked a Persian cat to be its next astronaut, the country's state news agency reported. The flat-faced creature could be a feline forerunner for manned missions to space.
18 September 2013, 10:14 AM ET
Technicians prepare for a test in the Noise Research Program at Lewis Research Center.
18 September 2013, 12:00 AM ET
A new commercial spaceship, Orbital Sciences' Cygnus vehicle, is poised to launch on a critical test flight to the International Space Station from Virginia's Eastern Shore today (Sept. 18). The Cygnus spacecraft launches atop an Antares rocket.
17 September 2013, 07:11 PM ET
An Atlas 5 rocket, crowned with a secure, jam-resistant U.S. Air Force communications satellite set for liftoff Wednesday (Sept. 18), arrived at a launch pad in Florida on Monday (Sept. 16) after a condensed assembly and test campaign.
17 September 2013, 05:31 PM ET
NASA is asking a new community to help them stop killer asteroids from impacting Earth. Agency officials will attend the World Maker Faire in New York City this weekend to enlist the help of innovators to help protect Earth against space rocks.
17 September 2013, 05:25 PM ET
The United States military is kick-starting a suborbital hypersonic vehicle program that also aims to launch payloads into orbit on the cheap. The new XS-1 program is run by the Defense Advanced Research Projects Agency.
17 September 2013, 03:52 PM ET
A new commercial spacecraft built to haul cargo to the International Space Station will launch into space from Virginia's Eastern Shore Wednesday, and it just might be visible from a wide swath of the U.S. East Coast. Here's how to see it.
17 September 2013, 02:10 PM ET
The first American space traveler to follow his astronaut father into orbit is selling some of his memorabilia, including a model based on a rocket designed by Konstantin Tsiolkovsky, Russia's "father of space travel."
17 September 2013, 12:36 PM ET
NASA's Wallops Flight Facility, nestled on a quaint stretch of Virginia's rural coastline, has an active autumn launch schedule this year, one sign a nearly $150 million investment by state and federal governments is starting to pay off.