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.
24 January 2014, 04:41 AM ET
See amazing photos of the Andromeda Galaxy, also known as M(31), as seen by space telescopes, astronomers and stargazers.
23 January 2014, 10:50 PM ET
A twist on the Milky Way's natural beauty.
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, 07:21 PM ET
Engineers have developed wall-crawling robots utilizing 'dry adhesive' technology inspired by gecko lizards. ESA and the Simon Fraser University are pioneering the effort for their possible use in space.
23 January 2014, 05:22 PM ET
This cool space wallpaper shows a prototype Polish-built plasma thruster during test firing within an airless chamber at ESA’s Propulsion Laboratory.
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, 03:09 PM ET
Astronomers and amateurs alike have rushed to their telescopes to capture images of the brilliant blown-up star that just appeared in the nearby galaxy Messier 82. See photos of the new supernova that astrophotographers have sent in to SPACE.com.
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, 02:01 PM ET
Mars may have been capable of supporting microbial life for hundreds of millions of years in the ancient past, recent findings from NASA's Opportunity and Curiosity rovers suggest.
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, 10:49 AM ET
The third generation advanced Tracking and Data Relay Satellite (TDRS-L) will deliver a boost in transmitting power and a higher frequency band for video and data. It is set to launch on January 23rd, 2014.TDRS-L and Atlas V Readied for Liftoff
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, 10:04 AM ET
The Tracking and Data Relay Satellite (TDRS) network work in conjunction with ground stations to delivers non stop coverage to Earth satellites and the ISS.
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.
23 January 2014, 07:11 AM ET
When the supermassive black hole at the center of the Milky Way consumes an incoming cloud of gas, NASA’s Swift telescope will be on the scene.
23 January 2014, 06:32 AM ET
A fresh satellite for NASA's communications network is set for launch from Florida's Space Coast on Thursday (Jan. 23) to bolster voice and data links between mission control, the International Space Station and a fleet of orbiting research observatories.
22 January 2014, 06:30 PM ET
The sun is our nearest star and the source of all our light and heat on Earth but recent reports have highlighted an ongoing steep decline in solar activity.
22 January 2014, 04:37 PM ET
A seamstress, with assistance from three others, creates a possible replacement sunshade for the Skylab Orbital Workshop.
22 January 2014, 04:00 PM ET
An exploding star has suddenly appeared in the night sky, dazzling astronomers who haven't seen a new supernova this close to our solar system in years.
22 January 2014, 03:29 PM ET
The light from an exploding star in the Messier 82 (M82) galaxy was first photographed from Earth on January 22nd, 2013. The galaxy is ~12 million light years away so the explosion occurred about 12 million years ago.
22 January 2014, 03:06 PM ET
A popular, historic and huge NASA tour spot is closing to the public as the space agency picks up the pace preparing for the future of U.S. space exploration. Public tours into the Vehicle Assembly Building in Florida are set to end on Feb. 11.
22 January 2014, 02:52 PM ET
It's official: the bill re-naming the NASA's Hugh L. Dryden Flight Research Center in southern California for the first man to walk on the moon is now a law.
22 January 2014, 01:01 PM ET
For the first time, astronomers have found direct evidence that the dwarf planet Ceres contains water, and that water may erupt from icy volcanoes on its surface. Using European Space Agency’s Herschel Space Observatory, scientists detected water vapor.
22 January 2014, 01:00 PM ET
Ceres is a dwarf planet, the only one located in the inner reaches of the solar system. It is the largest object in the asteroid belt.
22 January 2014, 12:11 PM ET
To see the quick movement of the moon, observers need a set of bright markers across the sky, exactly the kind of signposts in the night sky this week. Two bright stars and three bright planets mark the moon’s path across the sky.