06 March 2013, 08:30 PM ET
The solar outburst is complicating efforts to bring Curiosity back from a computer glitch.
05 March 2013, 04:56 PM ET
The Comet known as 2013 A1 (Siding Spring) flies about 31,000 miles away from the surface of the Red Planet on October 19th, 2014.
05 March 2013, 03:59 PM ET
Comet Siding Spring is expected to come within 30,000 miles of Mars in October next year.
05 March 2013, 07:00 AM ET
The 1-ton robot is out of safe mode and may be back in action as early as this weekend.
04 March 2013, 05:32 AM ET
The newfound comet C/2013 A1 (Siding Spring) has only a slim chance if hitting Mars.
02 March 2013, 07:00 AM ET
Exploring the final frontier has always been a tough proposition.
01 March 2013, 03:32 PM ET
Engineers are trying to get Curiosity operational again after switching the rover from its primary computer to a backup.
28 February 2013, 07:00 AM ET
The Inspiration Mars Foundation is hoping to recruit a married couple for its 2018 manned Mars flyby mission.
27 February 2013, 05:59 PM ET
In the last year, private companies have unveiled asteroid mining projects, space rock sentinels and more.
27 February 2013, 01:01 PM ET
How will a private Mars mission in 2018 work?
27 February 2013, 01:01 PM ET
A new nonprofit hopes to launch a man and a woman on a Mars flyby mission.
27 February 2013, 09:49 AM ET
Since the 1960s, humans have invaded our neighboring planet Mars with swarms of spacecraft. Only half of the attempts ever succeeded.
27 February 2013, 06:42 AM ET
Space tourist Dennis Tito will announce a Mars mission to launch in 2018.
25 February 2013, 03:10 PM ET
McKay helped train the Apollo moonwalkers and led a study that claimed a Mars meteorite may contain signs of past life.
25 February 2013, 06:30 AM ET
Parts of the Red Planet may be exposed to flowing water seasonally.
23 February 2013, 07:00 AM ET
The Red Planet's signature color is only skin deep.
22 February 2013, 01:35 PM ET
For the first time on Mars, a rover has collected a rock sample using a drill. Curiosity's drill captured about 1 table spoon of Martian rock.
21 February 2013, 02:01 PM ET
Fifth-graders to college students can work with NASA's Mars Odyssey satellite.
21 February 2013, 02:00 PM ET
Images of Mars captured by middle and high school students by the THEMIS instrument on board NASA's Mars Odyssey.
21 February 2013, 01:32 PM ET
Dennis Tito's nonprofit organization may want to launch astronauts toward the Red Planet in 2018.
20 February 2013, 05:11 PM ET
The rover drilled into rock on the Martian surface on February 8th and 20th, 2013. Samples were also transferred back to the rover for analysis. The drill was demonstrated by NASA using Curiosity's twin here on Earth.
20 February 2013, 04:20 PM ET
See photos of NASA's Mars rover Curiosity's first drilling success.
20 February 2013, 04:06 PM ET
NASA's Mars rover made a giant leap for space exploration when it drilled its first sample of Red Planet rock.
20 February 2013, 12:59 PM ET
The press conference starts at 3 p.m. EST and may discuss Curiosity's drilling work on Mars.
13 February 2013, 03:00 PM ET
The president's annual address rarely mentions NASA, spaceflight or exploration.
12 February 2013, 07:00 AM ET
NASA's budget is greater than those of all other national space agencies combined, NASA deputy chief Lori Garver said.
11 February 2013, 06:20 PM ET
The Iranian-American Bobak Ferdowsi will help highlight President Barack Obama's call for more visas for skilled immigrants in the fields of math, science and engineering.
11 February 2013, 11:09 AM ET
Find out when and where to look for the pink-looking planet.
11 February 2013, 08:20 AM ET
The closest planet to the Sun (looking pinkish because of the hues of the setting Sun) and the Red Planet will be visible for all to see in February 2013. Find out when and where to look.
10 February 2013, 04:00 PM ET
New research shows how Antarctica's bizarre Don Juan Pond stays fluid.
09 February 2013, 01:06 PM ET
The Mars rover Curiosity drilled into the rock "John Klein' to collect the Martian sample.
07 February 2013, 06:14 PM ET
Curiosity drilled about 0.8 inches (2 centimeters) into a Martian rock called John Klein.
05 February 2013, 07:00 AM ET
No asteroid target has yet been selected, making planning difficult.
04 February 2013, 01:11 PM ET
The robot pounded the rock with its arm-mounted drill but has apparently not spun the drill bit yet.
04 February 2013, 07:00 AM ET
The proposed rover must collect rock samples for return to Earth, scientists said.
01 February 2013, 02:41 PM ET
Skywatcher Ajay Talwar captures dazzling photo of Mars, Saturn and Spica over historic landmark in Delhi, India.