28 January 2015, 04:40 PM ET
On Jan. 22, operators on the ground used two robotic arms to install NASA's Cloud Aerosol Transport System (CATS) instrument on the exterior of the International Space Station.
28 January 2015, 02:50 PM ET
NASA astronaut Terry Virts, a member of the current Expedition 42 crew aboard the International Space Station, captured several dramatic photos of the monster winter storm Tuesday night, as it wheeled and churned over New England.
28 January 2015, 01:23 PM ET
An amazing new video from SpaceX shows the spaceflight company's incredible plans for a reusable mega-rocket.
28 January 2015, 01:00 PM ET
Have you ever wondered what it would be like to live on the moon? What about Mars, or Venus or Mercury? We sure have and that's why we decided to find out what it might be like to live on other worlds in our solar system, from Mercury to Pluto and beyond
28 January 2015, 12:40 PM ET
Conditions on the planet Mercury would make living there a challenge. See what the days and nights might be like on the closest planet to the sun in our infographic.
28 January 2015, 07:00 AM ET
NASA officials are conducting ceremonies at several different sites around the country to pay tribute to the astronauts killed in 1967's Apollo 1 fire and the Challenger and Columbia space shuttle accidents.
27 January 2015, 04:00 PM ET
NASA is due to launch its SMAP satellite designed to measure moisture in Earth's soils at 9:20 a.m. EST (1420 GMT) on Thursday (Jan. 29) from California. You can watch live coverage of the launch starting at 7 a.m. EST (1200 GMT).
26 January 2015, 05:07 PM ET
The private spaceflight companies Boeing and SpaceX are on track to start launching NASA astronauts to the International Space Station by 2017, representatives of both firms say.
23 January 2015, 12:17 PM ET
America's first planetarium wants to improve how it tells the story of a famous Apollo 13 astronaut, and needs your help to do it. The Adler Planetarium in Chicago is redesigning its exhibit 'Shoot for the Moon' to immerse visitors in the life of James Lo
23 January 2015, 07:30 AM ET
An actor famous for his role commanding a fictional starship will narrate NASA's real 'trek' to Mars in a new giant-screen film.
21 January 2015, 10:18 AM ET
President Barack Obama recognized the first American astronaut who will spend a year in space during the State of Union address Tuesday (Jan. 20).
21 January 2015, 07:50 AM ET
Virgin Galactic remains committed to getting SpaceShipTwo up and running, and the second vehicle may be ready to go soon.
20 January 2015, 06:00 PM ET
Google and Fidelity now together own about 10 percent of SpaceX, which is run by billionaire entrepreneur Elon Musk. The money could help SpaceX get its bold new satellite program off the ground.
20 January 2015, 04:36 PM ET
Apollo astronaut, orbital mechanic, and futurist Dr. Buzz Aldrin explains his unique ideas for human exploration and settlement of Mars in this freewheeling conversation with Space.com.
20 January 2015, 09:33 AM ET
A list of the upcoming rocket launches around the world.
16 January 2015, 02:20 PM ET
Elon Musk — founder of the private spaceflight company SpaceX — has released a series of amazing images showing the fiery fate of a rocket stage during a reusable rocket test on Jan. 10. SpaceX also released an amazing video of the crash.
16 January 2015, 01:45 PM ET
The first crew to embark on a yearlong International Space Station mission could help NASA get to Mars.
15 January 2015, 04:17 PM ET
NASA and Russia are launching a joint one year mission to the International Space Station. NASA's Scott Kelly and cosmonaut Mikhail Kornienko will blast off to the orbiting outpost on March 28, 2015.
15 January 2015, 07:00 AM ET
What do you want to know about the upcoming one-year mission to the International Space Station? NASA officials will discuss the yearlong station mission in a series of news conferences Thursday (Jan. 15), and you can watch the briefings live online.
14 January 2015, 01:00 PM ET
A possible ammonia leak on the International Space Station triggered an evacuation of astronauts and cosmonauts to the Russian side of the orbiting outpost, but now, NASA flight controllers think it was likely a false alarm.
14 January 2015, 09:10 AM ET
An alarm suggesting a potentially toxic ammonia leak on the International Space Station early Wednesday (Jan. 14) forced astronauts to evacuate the U.S. side of the orbiting lab, but NASA says there is no proof such a leak actually occurred.
12 January 2015, 05:23 PM ET
For the first time in more than three years, a space shuttle main engine has roared to life in support of NASA's next-generation heavy-lift rocket. The SSME, renamed the RS-25, fired Jan. 9 at Stennis Space Center in Mississippi.
12 January 2015, 02:53 PM ET
Engineers with the private spaceflight company SpaceX are still trying to piece together what went wrong with a reusable rocket test Saturday, but the company's founder Elon Musk thinks there's a better chance of succeeding during a future test.
12 January 2015, 08:10 AM ET
NASA astronaut Barry "Butch" Wilmore, commander of the station's current Expedition 42, grappled Dragon using the orbiting outpost's huge robotic arm at 6:12 a.m. EST (1112 GMT) on Monday (Jan. 12).
10 January 2015, 08:30 AM ET
SpaceX's Falcon 9 rocket launched at 4:47 a.m. EST Saturday from Florida's Cape Canaveral Air Force Station. The company also aimed to bring the Falcon 9's first stage down on an "autonomous spaceport drone ship" in the Atlantic Ocean.
10 January 2015, 06:02 AM ET
SpaceX will attempt the first-ever ocean platform landing of reusable rocket stage during the Jan. 6, 2015 launch of its Falcon 9 rocket and Dragon cargo ship. See photos from the mission here.
09 January 2015, 04:14 PM ET
The astronauts and cosmonauts aboard the International Space Station now have three new crewmates who look a lot like them — only much, much smaller. LEGO minifigures customized to look like the crew have been revealed aboard the orbiting outpost.
09 January 2015, 02:52 PM ET
SpaceX is set to launch its Dragon spacecraft in the wee hours of Saturday, Jan. 10, and the predawn Falcon 9 rocket liftoff just might be visible to early-bird skywatchers long the U.S. East Coast. Here's how to see it.
09 January 2015, 11:30 AM ET
Billionaire space entrepreneur Elon Musk of SpaceX says he will unveil his plan for a Mars Colonial Transport, spacesuits and more by the end of 2015. Get a glimpse of what Musk envisions for the Red Planet.
09 January 2015, 10:30 AM ET
SpaceX's Falcon 9 rocket is scheduled to launch the company's unmanned Dragon capsule from Florida's Cape Canaveral Air Force Station at 4:47 a.m. EST Saturday; forecasters are predicting an 80 percent chance of good weather.
08 January 2015, 07:05 AM ET
Sierra Nevada Corporation, which is building Dream Chaser, recently checked off a propulsion-system milestone laid out in the company's last commercial-crew contract with NASA, which was signed in 2012.
08 January 2015, 07:00 AM ET
A new exhibit at the Smithsonian's National Air and Space Museum invites the public to stroll through half a century of spacewalks. "Outside the Spacecraft: 50 Years of Extra-Vehicular Activity" presents artifacts that relate the continuing story of EVA.
07 January 2015, 05:11 PM ET
SpaceX's Falcon 9 rocket and Dragon cargo capsule are now scheduled to blast off from Cape Canaveral Air Force Station in Florida at 4:47 a.m. EST Saturday. You can watch the launch live here on Space.com, beginning at 3:30 a.m. EST.
07 January 2015, 11:23 AM ET
SpaceX has passed NASA's "certification baseline review," which required the California-based company to outline exactly how it plans to ferry crews to and from the orbiting lab using Dragon and its Falcon 9 rocket.
06 January 2015, 10:30 AM ET
A tiny, self-contained greenhouse has been selected to fly on the robotic lander that Red Planet colonization effort Mars One intends to launch in 2018, group representatives announced today (Jan. 5).
06 January 2015, 06:23 AM ET
The private spaceflight company SpaceX aborted the planned launch of a Dragon cargo ship on Tuesday (Jan. 6) due to an actuator issue on the craft's Falcon 9 rocket. The next launch try is slated for Friday, Jan. 9.