19 July 2005, 02:55 PM ET
Images from Opportunity show an expanse of dunes at Meridiani Planum. Rover operators are taking precautions that the golf cart-sized robot won’t get bogged down in any sand trap—to avoid a repeat performance that halted movement of the machine last April
08 July 2005, 09:13 AM ET
Mars won't be as big as the full Moon. But it will be a nice skywatching target later this year.
07 July 2005, 06:25 AM ET
As we prepare for more intense investigations of the planet Mars, we try to focus the questions that we wish to have answered, and refine the tools that are required to make finding the answers possible.
06 July 2005, 01:00 PM ET
Pockets of rocks on Mars rival the complexity of our own planet, suggesting things are busier below the surface than anyone realized.
05 July 2005, 04:30 PM ET
NASA’s dual Mars rovers – Spirit and Opportunity – are wheeling about in their respective zones of exploration: Gusev Crater and Meridiani Planum.
29 June 2005, 01:40 PM ET
Now free to roam after weeks of being stuck in a sand trap, NASA’s Mars rover Opportunity is cautiously inspecting the troubling terrain at Meridiani Planum.
29 June 2005, 07:00 AM ET
Filmmaker Steven Spielberg’s update of the science fiction classic “War of the Worlds,” may be a popcorn adventure at heart, but its fight against invaders hits close to home.
14 June 2005, 11:00 AM ET
A milestone has been reached for those hard-at-work red planet rovers, Spirit and Opportunity. Late last week, ground controllers hit 1,000 sols of working with the robots on the surface of Mars. A sol is duration of a solar day on that faraway planet.
07 June 2005, 07:00 AM ET
Most television science fiction shows fling humans out to the vast reaches of the galaxy, but "Voyage to the Planets and Beyond" is content with exploring our own planetary backyard.
01 June 2005, 01:01 PM ET
NASA's Spirit rover photographed a streak of light that was likely part of a martian meteor shower, scientists announced today.
25 May 2005, 07:00 PM ET
Crew cooperation will always be vital in any manned space exploration mission, even if some of those crewmembers aren’t human.
25 May 2005, 12:09 PM ET
Saturn reflects X-rays from solar eruptions, astronomers said today. Previous observations found the same phenomenon at Jupiter.
24 May 2005, 05:22 PM ET
Explosions and falling rock once peppered the Martian hills that NASAï¿½s Mars rover Spirit currently calls home, astronomers said Tuesday.
20 May 2005, 06:38 AM ET
NASA's Mars program appears headed for change. The shift will be driven by a variety of factors including technical and budget issues, as well as a "rebalancing" of science objectives.
19 May 2005, 02:45 PM ET
A NASA spacecraft circling Mars has spied, for the first time, two of its fellow probes orbiting the red planet.
17 May 2005, 02:00 PM ET
CAPE CANAVERAL - NASA's next spaceship almost certainly will launch from Florida's Space Coast. Now, local and state economic development officials are mounting a campaign to build it here.
12 May 2005, 12:45 PM ET
PARIS — A radar boom antenna aboard Europe’s Mars Express satellite that had failed to lock into place was successfully deployed May 10-11 after ground controllers maneuvered the satellite to expose the boom to the sun, according to the European Space Age
11 May 2005, 01:18 PM ET
Ancient Mars might have been more magnetic than thought, challenging many basic assumptions about the evolution of the red planet.
11 May 2005, 07:00 AM ET
Two teams of researchers are hoping their tiny devices will mean big leaps for future Mars-bound humans, allowing them to carry powerful computers and generate life support materials from local resources readily available on the red planet.
09 May 2005, 11:42 AM ET
A European probe circling Mars has hit a snag in the deployment of a water-seeking radar instrument, prompting mission controllers to delay the experiment while engineers investigate the problem.
08 May 2005, 01:00 PM ET
Fantastic displays of light in polar regions of Earth known as aurora occur on Mars, too, scientists announced today.
27 April 2005, 10:43 AM ET
There is never a dull moment for a robot on Mars. A fleeting dust devil comes into view -- just right for picture taking. An outcrop of rock is found that yields insight into the planet’s past. And then there’s need to trudge over and around ever-larger s
27 April 2005, 06:48 AM ET
BOULDER, Colorado – Future hunts for past or present life on Mars, hauling back to Earth samples of martian rock and soil, as well as setting the stage for a human voyage to the red planet is taking on a decidedly European look.
25 April 2005, 06:15 AM ET
Terrain on Mars can be awfully chaotic. In fact one region is named for the dizzying array of mounds and squiggles.
18 April 2005, 02:50 PM ET
The head of NASA's nuclear push says a scientific mission to the inner solar system -- perhaps to the moon, Mars or an asteroid -- will be used to demonstrate a new propulsion system in place of a mission to Jupiter's icy moons.
18 April 2005, 01:23 PM ET
A new look at ancient craters on Mars finds five that are arrayed along an arc that's part of a giant circle around the planet. The circle may have been Mars' equator long ago.
08 April 2005, 07:32 PM ET
After decades of sending probes across the void of interplanetary space, officials are now reshaping how solar system exploration is accomplished.
05 April 2005, 07:34 PM ET
A new lease on life could propel the rovers into 2006.
04 April 2005, 06:19 AM ET
New images of Mars show fresh detail of steep and inexplicable slopes.
16 March 2005, 01:00 PM ET
Fresh detail and more images suggesting Mars has been active in the recent geologic past were released Wednesday.
16 March 2005, 07:01 AM ET
Even a tinge of jealousy has creeped in as U.S. researchers adjust to initial successes in the first European effort at Mars.
15 March 2005, 11:59 AM ET
A robot laden with sensor equipment has managed to detect life on the arid terrain of the Chilean desert, a first for rover-based systems.
08 March 2005, 06:14 AM ET
The hunt for some form of life elsewhere in our universe may spur a veritable fleet of robot orbiters, landers and rovers to study the surface of Mars in the coming years. But they might be looking in the wrong place.
03 March 2005, 06:53 AM ET
Spirit and its sister robot, Opportunity have in recent weeks covered more ground on the planetï¿½s surface over a handful of consecutive days, then either vehicle did in their first 70 days on Mars.
22 February 2005, 07:00 AM ET
Whiffs of methane in the atmosphere have scientists eager to dig underground to find if the source is biological.
19 February 2005, 09:03 AM ET
WASHINGTON, D.C. -- A rock that careened through the Martian sky and bounced to a stop on the red planet’s surface is most definitely not an alien meteorite, the principal investigator of NASA’s Mars rover mission said Friday.