28 January 2014, 03:01 PM ET
NASA astronaut Rick Mastracchio has been living and working on the International Space Station since November. On Friday (Jan. 31), the veteran astronaut will speak with SPACE.com about his life in space.
28 January 2014, 06:34 AM ET
Urthecast officials think the project could also motivate people to take better care of the planet, by giving them an astronaut's-eye view of Earth as a small and fragile outpost of life hanging alone in the blackness of space.
28 January 2014, 01:46 AM ET
Gus Grissom, one of the original Mercury Seven, also flew on a Gemini mission. He died during training for the first Apollo mission.
27 January 2014, 07:12 PM ET
If astronauts are to terraform Mars, agriculture may rely on Earth microbes improving Martian soil.
27 January 2014, 05:23 PM ET
When Challenger was lost, the U.S. space program chose to not falter.
27 January 2014, 05:10 PM ET
NASA is looking for good ideas about how to send a robot back to the surface of the moon. The space agency's new Lunar CATALYST is designed to give private entities a chance to develop robotic moon landers with help from NASA.
27 January 2014, 04:38 PM ET
NASA doesn't just look outward into the solar system and universe. These missions observe the Earth and provide important date for climate studies.
27 January 2014, 04:12 PM ET
It was 'take two' for the installation of a pair of commercial video cameras on the outside the International Space Station, as Russian cosmonauts conducted a second spacewalk to add the Earth-viewing HD cameras to the orbiting outpost's exterior.
27 January 2014, 03:40 PM ET
The space agency will launch five Earth-observation missions in 2014, starting with the Feb. 27 liftoff of the Global Precipitation Measurement (GPM) Core Observatory from Japan's Tanegashima Space Center.
27 January 2014, 11:04 AM ET
An astronaut prepares to install protective covers on the Hubble Space Telescope.
27 January 2014, 10:15 AM ET
See photos of Russian cosmonauts Oleg Kotov and Sergey Ryazanskiy spacewalking outside the International Space Station on Jan. 27, 2014 to install UrtheCast HD cameras for Earth observation.
27 January 2014, 07:01 AM ET
China's Jade Rabbit moon rover may have stubbed its lucky foot. The Yutu moon rover has suffered a malfunction on the moon during its landmark Chang'e 3 lunar landing mission.
26 January 2014, 12:40 PM ET
What was your favorite space news story of the last week?
26 January 2014, 10:45 AM ET
NASA's robot butler for astronauts, Robonaut 2, is still waiting for its legs to be delivered to the space station. In the meantime, video of the robot's twin on Earth shows how its climbing legs will allow the droid to move with eerie elegance.
25 January 2014, 12:03 PM ET
From an image of a strange 'Jelly Doughnut' rock, to a new look at a cosmic lagoon, as well as striking images of a new supernova, don't miss these amazing space images of the week for Jan. 25, 2014.
24 January 2014, 06:19 PM ET
This week, a team of scientists and engineers began a two-week field simulation of a mission to Mars.
24 January 2014, 12:13 PM ET
See photos of NASA's amazing RoboSimian robot, an adept robot to aid space exploration and Earth life built by engineers at the Jet Propulsion Laboratory. The robot competed in DARPA's Robotics Challenge in December 2013.
24 January 2014, 12:00 PM ET
A new private space plane expected to eventually deliver astronauts into orbit has a launch date and a rocket to launch it into space.
24 January 2014, 11:43 AM ET
The Lunar Module Spider is attached to the Saturn IVB in Earth orbit.
24 January 2014, 07:00 AM ET
Rover deputy principal investigator Ray Arvidson, of Washington University in St. Louis, submitted a personal Spirit and Opportunity Top 10 list to SPACE.com to mark the mission's 10 years of Mars exploration.
24 January 2014, 06:00 AM ET
For 10 years the robots have roved across Mars, making exciting discoveries about water in the planet's past.
23 January 2014, 10:00 PM ET
The 3.8-ton TDRS-L spacecraft lifted off at 9:33 p.m. EST tonight (0233 GMT Friday) from Florida's Cape Canaveral Air Force Station, its Atlas 5 rocket searing an arc of bright-orange flame into the dark sky as it climbed.
23 January 2014, 09:45 PM ET
The Tracking and Data Relay Satellite (TDRS-L) launched aboard an Atlas 5 rocket from the Kennedy Space Center on Jan. 23rd, 2013. It will join and upgrade NASA's network of satellites that makes non-stop communication with satellites and the ISS.
23 January 2014, 09:34 PM ET
See photos of NASA's Tracking and Data Relay Satellite L (TDRS-L) ahead of its planned Jan. 23, 2014 launch atop an Atlas 5 rocket from Cape Canaveral Air Force Station in Florida.
23 January 2014, 04:48 PM ET
Sierra Nevada's Dream Chaser spacecraft has come a long way. This video shows how the ship was put together, the pilots trained, and the ship tested over the past few years in preparation for a test launch in 2016 and human pilot flights in 2017.
23 January 2014, 02:01 PM ET
NASA's Spirit and Opportunity rovers touched down on Mars in January 2004, tasked with 90-day missions to search for signs of past water activity. Rover project manager John Callas reflects on a decade of discovery from this mission, which is still going
23 January 2014, 12:50 PM ET
Martian art and Red Planet science meet in a new exhibition celebrating 10 years of Mars exploration with two twin rovers.
23 January 2014, 11:36 AM ET
For the first time, a single crew member attempts to capture the Intelsat VI.
23 January 2014, 11:29 AM ET
In January 2014, a team of scientists ventured to the Utah desert for a two-week Mars mission simulation. See what the mock Mars mission was like for SPACE.com contributor Elizabeth Howell.
23 January 2014, 10:30 AM ET
2014 is shaping up to be the year of earth science for NASA, with five missions devoted to studying our planets surface, atmosphere, changing climate, weather, and more.
23 January 2014, 08:45 AM ET
Fresh of a mock mission to Mars, SPACE.com contributor Elizabeth Howell will host an exciting "Ask Me Anything" session on Reddit today (Jan. 23) to answer your questions on what it is like to experience a simulated trip to the Red Planet.
23 January 2014, 08:41 AM ET
NASA's Jet Propulsion Laboratory tested its G-FOLD divert algorithm experimental landing system aboard the Masten rocket in Sept. 2013. This algorithm allows the rocket to autonomously select an alternate landing site.