Despite a close brush with Mars, the ancient comet Siding Spring managed to miss all five orbiters and the Red Planet.

Duration for manned space missions could drop by 20%

Kenya officials pledged to do what they can to use last breeding male to birth a calf.

Researchers discovered evidence in the form of a large pile of debris in a sinkhole in Hawaii that the chain of islands were hit with a massive tsunami about 500 years ago and could be vulnerable to a repeat in the near future.

This laser tractor beam depends on the energy of the laser heating up the particles and the air encircling them.

A project involving more than 70 scientists has uncovered clues that will allow them to better map out the expansion of the universe and further understand dark matter and energy.

Kuiper Belt Objects past the orbits of Neptune and Pluto have been identified for potential flybys of NASA’s New Horizons spacecraft.

Women eat less and take up less space, and could result in big savings for an expensive mission.

The Orionid meteor shower will light up this week’s skies just before dawn as the Earth passes through leftover dust from Halley’s Comet.