Nasa's Voyager 1 has entered a new region of space between the Solar System and interstellar space in what Nasa has described as a 'cosmic purgatory'.
A rover of "monster truck" proportions zoomed toward Mars on an 8 1/2-month, 354 million-mile journey Saturday, the biggest, best equipped robot ever sent to explore another planet.
Spacefarers take note: an attack on the spacecraft of one nation is an attack on all spacecraft.
... a UFO researcher claims that an incident off the shores of Anglesey could be the best evidence yet of an infamous North Wales close encounter.
Earth could be getting a second sun, at least temporarily.
The Hubble Space Telescope got its first peek at a mysterious giant green blob in outer space and found that it's strangely alive.
Signals from seismic sensors left on the lunar surface by Apollo astronauts in 1971 have revealed that the Moon has a liquid core similar to Earth's.
Is NASA Covering Up the 100-Year Starship?
281-288 of 288