19 November 2013, 06:11 PM ET
The NASA missions of today are paving the way toward launching a manned mission to Mars by the 2030s, space agency officials said today (Nov. 17).
19 November 2013, 05:16 PM ET
Alexander Serebrov, a Soviet-era cosmonaut who once held the Guinness World Record for the most spacewalks and who was the first to test drive a "space motorcycle," has died at 69, according to Russia's federal space agency.
19 November 2013, 03:03 PM ET
NASA's newest moon orbiter LADEE is zapping data back to Earth via laser beam as part of a push to develop sophisticated interplanetary communications systems that don't rely on radio waves.
19 November 2013, 03:00 PM ET
See photos and images from NASA's LADEE mission to study moon dust and the lunar atmosphere like never before. The Lunar Atmosphere and Dust Environment Explorer launches in 2013 to probe the moon's tenuous atmosphere.
19 November 2013, 02:45 PM ET
The container is engineered to carry 11 receptacles, store them under 14˚F (-10˚C), and weigh less than 11lbs (5kg). It will land on Mars with a sample providing rover. When it is filled, it will launch and rendezvous with a return-trip spacecraft.
19 November 2013, 01:44 PM ET
The sun shot out a powerful solar flare early Tuesday (Nov. 19) morning. Though the flare was not pointed directly at Earth, it did cause a radio blackout at 5:26 a.m. EST (1026 GMT), when the sun fired off the flare, space weather experts say.
19 November 2013, 12:55 PM ET
See photos of the major X-class solar flares of May 2013 as seen by sun-watching spacecraft.
19 November 2013, 11:35 AM ET
The planet Mercury is known in some circles as the "elusive planet," but over the next two weeks, skywatchers will have an excellent opportunity to see Mercury in the early morning dawn sky.
19 November 2013, 11:13 AM ET
NASA's MAVEN mission is expected to investigate the mystery of how ancient Mars went from being a wet world to the cold, dry desert it is now. See the latest MAVEN news, photos and video here.
19 November 2013, 10:48 AM ET
On 19 November 2013, sunspot AR1897 erupted with an X1 solar flare. A wave of ionization was recorded in the upper atmosphere over Europe, Africa and part of Asia, according to Spaceweather.com.
19 November 2013, 10:00 AM ET
See amazing photos of the sun during the peak of solar activity in 2013.
19 November 2013, 09:48 AM ET
NASA's Peregrine Hybrid Sounding Rocket motor was hot-fire tested at Ames Research Center on Nov. 12, 2013. It uses paraffin-based fuel and nitrous oxide as the oxidizer for highly efficient combustion. (looped)
19 November 2013, 07:12 AM ET
The photo, taken with the TRAPPIST instrument at the European Southern Observatory's La Silla Observatory in Chile, shows Comet ISON streaking through space in the early hours of Nov. 15, a brilliant blue cloud of material surrounding its core.
19 November 2013, 07:01 AM ET
VASIMR technology, which has been in development for 25 years, could dramatically cut travel times to Mars, clean up space junk and deflect dangerous asteroids, among other things, advocates say.
19 November 2013, 06:00 AM ET
The United States Air Force plans to blast nearly 30 satellites into orbit tonight in a record-setting launch that should be visible from a large stretch of the U.S. East Coast, weather permitting. The launch window opens at 7:30 p.m. EST.
19 November 2013, 06:00 AM ET
The United States military's ORS-3 mission is slated to blast off Tuesday night carrying 29 different satellites — the most ever in a single launch. Here is a description of most of the satellites provided by the U.S. Operationally Responsive Space Office
18 November 2013, 08:00 PM ET
The MAVEN mission to study the Red Planet's atmosphere launched on Nov. 18th, 2013, NASA administrator Charles Bolden talks to SPACE.com's @tariqjmalik about the mission and answers reader questions.
18 November 2013, 06:20 PM ET
Scientists and NASA officials are euphoric today (Nov. 18) after the smooth launch of the space agency's MAVEN Mars probe, which is now streaking toward a date with the Red Planet in September 2014.
18 November 2013, 05:40 PM ET
In a six-minute flight, the FORTIS experiment plans to take a quick look at Comet ISON melting as it approaches the sun. The flight could take place as early as Nov. 19.
18 November 2013, 04:47 PM ET
Veteran night sky photographer Chad Powell captured this beautiful image, which he aptly calls 'Too Many Stars To Count,' on Oct. 4. See how Powell captured the amazing night sky photo here.
18 November 2013, 02:20 PM ET
Amateur astrophotographer Mike Hankey captured some stunning photos showing his experience observing Comet ISON since the icy wanderer became visible to him in September.
18 November 2013, 02:02 PM ET
NASA's next mission to the Red Planet is underway as an Atlas V rocket launched from Cape Canaveral Air Force Station in Florida on Nov. 18th, 2013. The rocket carried NASA's Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft.
18 November 2013, 01:32 PM ET
NASA's newest Mars probe is officially on its way to investigate longstanding mysteries of the Red Planet.
18 November 2013, 11:00 AM ET
NASA's next Mars probe is scheduled to launch to the Red Planet today (Nov. 18), and you can watch it live online right now.
18 November 2013, 08:29 AM ET
A new NASA probe is about to begin its 10-month trip to Mars.
18 November 2013, 07:00 AM ET
NASA plans to launch its Maven Mars orbiter Monday, kicking off a mission that differs from the space agency's previous Red Planet efforts. Here's a look back at the discoveries made by the spacecraft that have circled Mars over the last 40 years.
18 November 2013, 12:23 AM ET
An Orbital Sciences Minotaur 1 rocket will launch from Wallops Island, Va., on Nov. 19 filled with satellites for the U.S. Department of Defense, NASA and other agencies. It will be visible across a wide swath of the U.S. East Coast.
18 November 2013, 12:18 AM ET
NASA and the U.S. military will launch a record payload of 29 satellites from a Virginia spaceport Tuesday night (Nov. 19) on a mission that could create a spectacular sight for skywatchers along the U.S. East Coast, weather permitting.
18 November 2013, 12:00 AM ET
A NASA probe is scheduled to launch to Mars today (Nov. 18), and you can watch it live online.
17 November 2013, 10:00 AM ET
Earlier robotic probes and rovers sent to Mars were designed to investigate the surface of the planet, but the space agency's Mars Atmosphere and Volatile Evolution spacecraft (MAVEN) is built for a different purpose.
17 November 2013, 07:30 AM ET
NASA's MESSENGER probe will watch as comets Encke and ISON cruise by Mercury on Monday and Tuesday. The back-to-back close passes offer a golden opportunity to study two comets passing close to the sun, researchers say.
17 November 2013, 07:01 AM ET
NASA's MAVEN spacecraft is scheduled to blast off from Florida's Cape Canaveral Air Force Station on Monday. MAVEN will study the Red Planet from orbit, seeking to understand how Mars lost most of its atmosphere long ago.