15 January 2015, 07:41 PM ET
The NASA probe launched in January 2005 and will encounter Pluto in the summer of 2015.
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, 03:12 PM ET
A federal surplus auction is selling a NASA flown-in-space artifact that may be worth its weight in gold — because it is gold. The six 24 karat gold plates reportedly flew in space for 69 months.
15 January 2015, 07:00 AM ET
NASA's New Horizons probe today (Jan. 15) began its six-month approach to Pluto, which will culminate with the first-ever close flyby of the dwarf planet on July 14.
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, 10:57 PM ET
Scaled Composites has been aiming toward commercial spaceflight for more than a decade.
14 January 2015, 05:25 PM ET
Crewmembers on the International Space Station have now been allowed into the U.S. segment of the orbiting outpost, after a false alarm caused astronauts to evacuate that part of the station early Wednesday (Jan. 14).
14 January 2015, 03:38 PM ET
Ten years ago today (Jan. 14), humanity got its first up-close look at Saturn's huge moon Titan, a bizarre, frigid world that may be capable of supporting life as we know it.
14 January 2015, 01:28 PM ET
For the probe landing’s 10th anniversary, a new sequence has been rendered from Huygens’ Descent Imager/Spectral Radiometer (DISR) data. The craft landed on Saturn’s largest moon on 14 Jan 2005.
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, 12:46 PM ET
International Space Station program manager Mike Suffredini talks about how the astronauts responded to the ammonia leak alarm in the early morning hours of Jan. 14th, 2015.
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.
14 January 2015, 07:00 AM ET
On Dec. 29, CIA officials suggested via Twitter that many UFOs reported in the 1950s and '60s were actually high-flying U-2 spy planes.
13 January 2015, 03:25 PM ET
The UK Space Agency is holding a news conference Friday (Jan. 16) to provide an update on Beagle 2, which was supposed to touch down on Dec. 25, 2003, but is thought to have crashed.
13 January 2015, 11:20 AM ET
China's first lunar lander Chang'e 3 remains is still operation after more than a year on the moon, and has captured a photo of a distant galaxy as seen from the lunar surface.
13 January 2015, 07:30 AM ET
Researchers were able to pinpoint the Saturn system's center of mass, or barycenter, within about 2 miles — a 50-fold improvement over the best estimates provided by ground-based telescopes, NASA officials said.
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, 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.