NASA says it is transmitting new commands toward Mars amid indications that its Polar Lander spacecraft has been weakly trying to phone home. Mission managers say the radio signals, received twice in last two months, are so faint that it
A web that
NASA and network gurus are working together to extend the Internet to other worlds in the next few years. But there are some limits that not even the World Wide Web can route around, such as the speed of light. So the builders of the Interplanetary Internet are going back to the basics, retooling protocols for future communications with Mars and beyond.
Armstrong: Humans to Mars by 2020
During a rare appearance before the press, the first human to walk on the moon chatted amiably Friday about the meaning of the Apollo program, the prospects for going to Mars
Buzz Aldrin plans the next leap
Back in 1969, the full significance of Apollo 11 didn
Martian forecast: more mysteries
Mars still shows the scars of primeval floods and channels cut billions of years ago when the planet was warmer and wetter. But are there any signs of rain? Geologist Michael Malin, who has studied hundreds of pictures of the Red Planet, sees none of the telltale signs that should be left behind by ancient rainfall. And therein lies a mystery.
Re-creating Mars on Earth: Mars Society plans to build research station in Canada
NASA is sending a series of robotic probes to Mars over the next decade, but the Mars Society hopes to do similar research right on our home planet. The international group of space enthusiasts is planning to build a simulated Mars station on Canada
Mars lander sets off to break new ground
The first interplanetary lander to follow Mars Pathfinder
Texas biosafety experts look to Mars
The Texas medical school planning a laboratory to handle the world
Pictures show dunes on Mars
The Mars Global Surveyor has found the first evidence that lava solidified into giant plates long ago on the Red Planet and that sand dunes were blowing around as recently as this past summer.

