01 April 2015, 12:00 AM ET
See amazing images of the night sky and cosmos in SPACE.com's gallery of cosmic images posted in March 2015.
31 March 2015, 03:30 PM ET
It is called NIROSETI for near-infrared optical SETI. This new instrument can record levels of light over time so that patterns can be analyzed and assessed for potential signs of other civilizations.
31 March 2015, 07:21 AM ET
Countries including the United States, Russia, Japan and India combined to launch eight space missions in a five-day span last week, beginning just a few days after winter relinquished its grip on the land with the spring equinox on March 20.
30 March 2015, 03:26 PM ET
The world's first private-sector space plane, SpaceShipOne, has landed on the ground at the National Air and Space Museum after 10 years in 'Flight.'
30 March 2015, 06:50 AM ET
Here's a quick look at the evolution of NASA's Asteroid Redirect Mission (ARM), which originally envisioned bagging up an entire space rock but will now pluck a boulder from a large asteroid.
29 March 2015, 10:00 AM ET
A Q&A about the first flight test of NASA's Orion capsule with two of the people responsible for the deep-space vehicle's development.
28 March 2015, 01:34 PM ET
From the first (contraband) corned beef sandwich in space to astronomy's oldest known 'Nova,' don't miss these amazing space images of the week for March 29, 2015.
27 March 2015, 08:01 AM ET
An astronaut "smart shirt" -- one that could someday beam biometric information back to ground controllers to keep an eye on the spacefarer's health – is now on a space mission of sorts.
26 March 2015, 08:00 AM ET
An astronaut and a cosmonaut spend an entire year aboard the ISS to provide data on the health implications of space travel.
26 March 2015, 07:00 AM ET
The National Space Biomedical Research Institute Industry Forum has funded three companies as part of its "Vision for Mars" challenge, which seeks to mitigate the visual problems astronauts experience during long-term spaceflight.
25 March 2015, 04:37 PM ET
NASA will pluck a boulder off a large asteroid and return it to lunar orbit, rather than target an entire near-Earth object for relocation, agency officials announced today (March 25).
25 March 2015, 02:50 PM ET
The GPS IIF-9 satellite blasted off atop a United Launch Alliance Delta IV rocket from Florida's Cape Canaveral Air Force Station Wednesday (March 25) at 2:36 p.m. EDT (1836 GMT).
25 March 2015, 08:05 AM ET
The private spaceflight company posted a photo of a SpaceX sign at Florida's Cape Canaveral Air Force Station that reads "Landing Complex 1," and also released images of a Dragon cargo vessel about to leave SpaceX headquarters on Feb. 23.
24 March 2015, 01:00 PM ET
Triton's surface is so cold, the ground is made of frozen nitrogen.
23 March 2015, 10:12 AM ET
NASA's Mojave Volatiles Prospector (MVP) is placing a suite of instruments to detect water on the Earthly desert surface. This testbed will fine tune designs for future probes to Mars, the Moon and other solar system bodies.
22 March 2015, 04:08 PM ET
An eclipse passed through the sky in part of the world, a major solar storm rained down on St. Patrick's Day, and "Christmas lights" were seen on Mars. Here are Space.com's picks for the best space stories of the week.
19 March 2015, 07:00 AM ET
NASA officials viewed Bigelow Aerospace's Bigelow Expandable Activity Module (BEAM) at the company's facility in Las Vegas on March 12. BEAM is scheduled toward the International Space Station atop SpaceX's Falcon 9 booster later this year.
18 March 2015, 05:08 PM ET
Virgin Galactic opened its latest commercial spaceflight facility this month to build a new rocket capable of launching small satellites into orbit.
18 March 2015, 07:00 AM ET
A new asteroid-hunting computer program will help amateur astronomers and citizen scientists identify potentially hazardous space rocks faster and more accurately, NASA officials say.
16 March 2015, 03:43 PM ET
China is reporting new progress in shaking out procedures required for rocketing back to Earth samples from the Moon.
15 March 2015, 11:29 AM ET
NASA launched a new space-weather mission and scientists found evidence of a hydrothermal system on Saturn's ocean-bearing moon Enceladus. Here's a look at Space.com's top stories of the week.
14 March 2015, 12:32 PM ET
From a monster solar flare to a spectacular night launch, don't miss these amazing space images of the week for March 15, 2015.
12 March 2015, 06:50 PM ET
Lockheed Martin says its proposed Commercial Resupply Service-2 (CRS-2) solution will provide NASA with cargo transport to and from the International Space Station (ISS).
12 March 2015, 12:50 PM ET
Lockheed hopes the system — which features a space tug known as Jupiter and a supply module called Exoliner — wins a NASA contract for the next round of cargo missions to the space station. But the company's ambitions extend beyond Earth orbit.
12 March 2015, 07:02 AM ET
Traditional spacecraft-sterilization techniques can get rid of most microbes. But a new method is emerging that might be able to take all of them out, even the hardiest of the hardy.
11 March 2015, 11:00 AM ET
NASA's new rocket, the Space Launch System, represents the most powerful rocket ever built. The rocket's booster fired in a test on March 11, 2015, in Utah.
11 March 2015, 07:03 AM ET
NASA will test-fire the booster of its Space Launch System (SLS) megarocket today at 11:30 a.m. EDT, and three astronauts will return to Earth from the International Space Station in the evening. Watch all the action live here at Space.com.
10 March 2015, 11:12 AM ET
Spirit and Opportunity, the Mars rovers, have outlived and outlasted any spacecraft on the surface of the red planet. Take a look at some of their latest Mars photos.
10 March 2015, 08:30 AM ET
If a robot plunges into the ocean of an icy moon, perhaps near Saturn or Jupiter, its main problem will be figuring out what to do next. Even at light speed, it takes hours for communications to pass back and forth to Earth.
09 March 2015, 05:52 PM ET
The new Space Launch System booster may look similar to the Space Shuttle boosters but its design has been overhauled for efficiency. NASA and the booster manufacturer ATK Space Systems explain.
08 March 2015, 12:48 PM ET
A powerful camera spotted a comet and scientists captured images of a supernova four different times. Here are Space.com's pics for the top space stories of the week.
07 March 2015, 02:34 PM ET
From an amazing photo of Comet Lovejoy captured by a dark energy camera to Comet 67P/Churyumov-Gerasimenko, don't miss these amazing space images of the week for March 7, 2015.