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

Astronomers say a massive green energy project in Chile could compromise one of Earth's best chances to detect dangerous ...

A huge asteroid the size of a 30-story building is racing through space and will make a close approach to Earth tomorrow, May ...

However, the first Venera 1 probe never made it out of Earth orbit. And the second attempt ... advanced radar-based imaging systems that could map the blistering world from elliptical orbits.

Dozens of research projects on cancer, HIV and human genetics are in limbo due to the new regulations imposed by the White House ...