With dedication and good timing, amateur astronomers have helped track asteroids and search for planets. NASA is enlisting some for a moon observation mission.
The US government's official reason for shooting down the failed satellite last year doesn't fly, say some.
The US is tracking the cargo carrier as it moves through the Pacific, but the interdiction called for by the UN will prove tricky.
A swirling 'soup' of tiny pieces of plastic has been found in the Atlantic Ocean, and something similar may be present in other ocean areas as well.
Q&A: Kim Jong Il's drive to make his nation a nuclear power and how that threatens Asian neighbors.
Astronauts made all the needed repairs, giving the telescope five to 10 more years of life.
With custom-made tools and a rescue plan, the seven-member crew of the Atlantis aim to upgrade the iconic telescope.
A rare public appearance Thursday at the legislature, where he was unanimously reelected, came days after a missile launch.
Their assertion boosts US view that Pyongyang used Sunday’s launch to develop long-range missile technology, not to explore space.