Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
Technicians have repaired similar cracks on by removing the fractured aluminum and replacing it with a twice-as-thick stringer section.
It will cost $6.5 billion to launch and run the James Webb Space Telescope, which will require NASA to add $500 million over current budget plans.
Workers trying to analyze damaged foam find two cracks in the actual aluminum surface of the tank.
Iran has its sights set on putting an astronaut on the moon by 2025.
Sky gazers carve out a spot in rural Georgia where the lights won't bother them.
Space-based solar power could be directed to multiple locations in the world, and wouldn't suffer from weather-related outages.
First, we took you from the Earth to the moon. Of course, NASA's rich history did not end with the final lunar steps of Apollo 17.
Launch of Discovery tentatively rescheduled for Nov. 30.
The EPOXI reached the Hartley 2 comet after a 2.5-year journey across the solar system, a distance of 2.9 billion miles.
The Discovery's final mission is taking longer than expected.
The book covers major questions about the nature and origin of the universe.
Launch windows rely on the angle of the sun, safety of astronauts.
Incoming bad weather could impact new launch date, may push launch to Nov. 7.
No need to sound the alarm when you see a bright light in the sky.
As NASA celebrates the 10th anniversary of astronauts living on the space station, the question is will it pay off?
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.