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, 11:33 AM ET
Congress mandated that NASA’s new Space Launch System must use Space Shuttle Main Engines (RS-25 ), one which fired successfully for 500 seconds at the Stennis Space Center in Mississippi on Jan. 9th, 2015.
12 January 2015, 11:20 AM ET
The CRS-5 cargo mission has arrived at the International Space Station on Jan. 12, 2015. It is carrying two tons of supplies and experiments for the crew.
12 January 2015, 09:28 AM ET
A Chinese spacecraft service module has entered orbit around the moon, months after being used in the country's landmark test flight last November that sent a prototype sample-return capsule on a flight around the moon and returned it to Earth.
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.
10 January 2015, 05:04 AM ET
The SpaceX cargo ship launched to the International Space Station on Jan. 10th, 2014. SpaceX will attempt to land the rocket's first stage on a platform in the Atlantic Ocean.
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, 12:30 PM ET
Flies, flatworms and NASA CATS armed with lasers are on board SpaceX's fifth Dragon cargo ship bound for the International Space Station. See how the science experiments stack up in this Space.com infographic.
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, 10:44 AM ET
NASA's CATS instrument — which is set to launch toward the orbiting lab early Saturday aboard SpaceX's robotic Dragon cargo capsule — will track clouds and tiny particles of dust, smoke and pollution in Earth's atmosphere that influence climate.
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, 11:47 AM ET
The GAO rejected a protest filed by Sierra Nevada Corp. of commercial crew development contracts NASA awarded in September to two other companies.
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.
07 January 2015, 07:11 AM ET
The moon harbors lots of potentially valuable raw materials, but it's hard to pinpoint one that will drive an entire extractive industry, experts say.
07 January 2015, 02:02 AM ET
The doomsday relics of the Nazi rocket program, reborn.
07 January 2015, 01:50 AM ET
Space popularity is on the rise.
06 January 2015, 05:09 PM ET
A European lander currently hibernating on a comet, did not successfully sample the icy body using a drill after the probe made its historic comet landing in November.
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.
05 January 2015, 07:45 PM ET
In a first for space flight, SpaceX will attempt to fly its Falcon 9 booster rocket to a safe landing aboard an offshore platform.
05 January 2015, 07:29 PM ET
SpaceX will try to bring the first stage of its Falcon 9 rocket back to Earth for a precision landing on a floating platform Tuesday morning. But there's no guarantee the ambitious maneuver will work.
05 January 2015, 03:55 PM ET
Engineers have found a way to buy some time for the MESSENGER spacecraft, which was due to end its four-year mission in March with a suicidal plung
05 January 2015, 03:04 PM ET
Early-bird skywatchers along the eastern United States have an opportunity, weather permitting, to see the private spaceflight company SpaceX launch a robotic Dragon capsule to the International Space Station before dawn on Tuesday (Jan. 6).
05 January 2015, 12:00 PM ET
The twin Voyager probes have been discovered ... in the year 3300 AD.
05 January 2015, 07:00 AM ET
SpaceX will try to land the first stage of its Falcon 9 rocket on a floating platform in the Atlantic Ocean, shortly after the booster launches SpaceX's Dragon cargo capsule from Cape Canaveral Air Force Station at 6:18 a.m. EST Tuesday.
04 January 2015, 08:00 AM ET
A huge meeting of space scientists kicks off today in Seattle, Washington, as thousands of attendees descend on the coastal city.