An international team of astronomers reports the discovery of two new exoplanets, a few times more massive than Earth, ...

The Rho Ophiuchi nebula system is the closest star-forming region to Earth, and as such has come under the scrutiny of both ...

Whether the parachute or instrument shell would survive Earth reentry is highly doubtful-but the titanium casing could ...

Kosmos 482, a Soviet spacecraft that never made it beyond Earth’s orbit on its way to Venus, is due to come crashing down on ...

The asteroid, with a diameter of about 950 feet will come close enough to Earth on Friday to warrant astronomers keeping a ...

The 950-foot hunk of primordial matter is classified as a "potentially hazardous asteroid," but that doesn't mean it has a ...