Richard Branson, through his company Virgin Galactic, plans to offer flights into space for paying customers by 2015.
Watch the vehicles separate, the engine blaze and the horizon spin in dramatic in-flight video taken from today's (Dec. 13) flight of Virgin Galactic's VSS Unity.
The Geminid meteor shower peaks the night of Dec. 13-14. This guide tells you the best times and places to see these shooting stars (no equipment necessary).
The Geminid meteor shower will provide a shining backdrop for the approach of Comet 46P/Wirtanen on Thursday (Dec. 13), shortly before the object's closest approach to Earth in 20 years.
Head for dark, clear skies tonight — overnight Dec. 13-14 — to see the shooting stars of the Geminid Meteor Shower overhead.
NASA astronaut Nick Hague is excited to clamber atop a Russian Soyuz rocket 11 weeks from now, even though his first experience with the booster didn't go so well.
Its main job is to spot the stars, but an ultrasensitive navigation camera on NASA's Juno spacecraft is returning amazing images of Jupiter's rings, auroras, lightning, and even its moonlit dark side.
As comets blaze across the night sky, they can bring wonder and excitement to those watching from Earth – or even a sense of impending doom.
NASA's Mars InSight lander has settled into its new home on Elysium Planitia and is preparing to deploy its instruments — and if all goes well, one device's work should be complete by March.
As Virgin Galactic gets closer to its first suborbital flights into space, a potential change in terminology could make it easier for the company to achieve that milestone.
"SpaceShipTwo, welcome to space," reads a triumphant tweet from Virgin Galactic posted during today's successful test flight after the company's vehicle reached 51.4 miles (82.7 kilometers) in altitude.
For hundreds of years the Small Magellanic Cloud has provided astronomers with a relatively close-up view of another galaxy.
NASA's Mars Reconnaissance Orbiter photographed the InSight lander, as well as the hardware that helped the stationary robot ace its Nov. 26 touchdown on the equatorial plain known as Elysium Planitia.
For those hoping to get a glimpse of tonight's Geminid meteor shower, the weather across the United States will either be very good or very bad.
A comet is set to pass close to Earth this weekend, providing a treat for skywatchers — and for astronomers hoping to learn more about the building blocks of the early solar system.
Standing beneath a stained glass window embedded with a piece of the moon, Jim Lovell recalled his journey into lunar orbit 50 years ago.
Parallax is a method of measuring the distance to nearby objects in space. It is also a method used to display 3D images.
Virgin Galactic plans to perform the next test flight of its SpaceShipTwo suborbital spaceplane as soon as Dec. 13, a flight that could be the first by the vehicle to reach at least one definition of space.
China's Chang'e 4 lander and rover spacecraft successfully entered lunar orbit Wednesday (Dec. 12) following a four-and-a-half-day flight to the moon.
If holiday travel seems daunting, keep in mind that Comet 46P/Wirtanen traveled all the way from Jupiter's orbit to visit this season.