The world's first private supply ship flew tantalizingly close to the International Space Station on Thursday but did not stop, completing a critical test in advance of the actual docking.

A privately built space capsule that's zipping its way to the International Space Station has also launched something else: A new for-profit space race.

European researchers are planning to use new techniques to analyze DNA that could help crack the mystery of whether Bigfoot exists.

James Doohan, Scotty from "Star Trek," spent his acting career whizzing through the cosmos. Gordon Cooper was one of America's famous Mercury seven astronauts. And Bob Shrake spent his work life anonymously helping send NASA's high-tech spacecraft to other planets.

The first private spaceship is headed to the International Space Station. Some questions and answers about the cargo mission by Space Exploration Technologies, known as SpaceX:

This week marks the anniversary of the largest earthquake ever recorded — a magnitude-9.5 earthquake that ripped along the coast of southern Chile on May 22, 1960.

Flying high over the ground in a plane, a thunderstorm's anvil cloud might be the last thing you want to see, but it's exactly what a group of scientists conducting an airborne mission were looking for.

A telescope in Hawaii has captured a spectacular new view on a distant nebula, revealing a glowing swirl of gas that is at the center of an unsolved mystery surrounding the nebula's birth.

A potential alien planet that is so close to its parent star that it appears to be disintegrating from the scorching heat was recently found by a team of astronomers. The planetary candidate is only slightly larger than the planet Mercury, and researchers estimate that it is shedding so much material that it could completely disintegrate within 100 million years.