Astronomy, Spacecraft | featured news

For the first time, Earth has a regular orbiting eye-in-the-sky spying on the solar system's smallest and strangest planet, Mercury.

A private company launched a spacecraft into orbit Wednesday in a bold demonstration test for NASA that could lead to the first commercial space station supply run next year and eventual astronaut rides.

NASA engineers are replacing fuel line seals on the space shuttle Discovery to staunch a small leak in time for the spacecraft's final blastoff on Nov. 1.

A NASA spacecraft is about to have another close look at a comet.

The first results from Nasa's Interstellar Boundary Explorer (Ibex) spacecraft show unexpected features at our Solar System's edge.