The European Space Agency's Mars Express spacecraft will make the closest flyby ever of the Red Plan...

China's first flyby of an asteroid shows that a gigantic space rock which once triggered a doomsday ...

The 400-meters-wide space rock, called 2005 YU55, came within 201,700 miles (324,600 km) of Earth at...

NASA spacecraft Cassini has made the second flyby of Hyperion during which it has acquired new image...

EPOXI is an extended mission that utilizes the already "in flight" Deep Impact spacecraft to explore...

On November 4, the mission will fly by Hartley 2 using all three of the spacecraft's instruments. EP...

NASA's Cassini spacecraft will take its lowest dip through the hazy atmosphere of Saturn's moon Tita...

Taking advantage of the alignment of the moons, Cassini will be able to catch glimpses of these two ...

The Titan flyby, on Monday, will take Cassini to within about 7,500 kilometers (4,700 miles) of the ...