Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
A star exploded into a supernova in 1979, and astronomers think the star's explosion was big enough to cause a black hole to develop in its wake.
International team of scientists to exhume Brahe's remains in efforts to determine the cause of his death.
New project 'major step' in contacting aliens.
Failed stars are called brown dwarfs, a category for objects that appear to be too large to be planets, but never attain star-hood.
They argue that it would be little different from early settlers to North America, who left Europe with little expectation of return.
Attached with a camera, the paper airplane captured incredible video as it glided 90,000 feet above the planet.
The moon always keeps the same side turned toward Earth, and now scientists have a way to describe the far side.
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.
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