Where is 'sea level' and how far above sea level is a particular place located?  Quite a lot of things may go wrong in bridge building and the inhabitants of the German and the Swiss parts of…

Propylene, a chemical used to make food-storage containers, car bumpers and other consumer products, has been detected on Saturn's moon Titan, the first definitive detection of the plastic ingredient…

The first scoop of soil analyzed by the analytical suite in the belly of NASA's Curiosity rover reveals that fine materials on the surface of the planet contain several percent water by weight.…

The Lunar Laser Communication Demonstration (LLCD) on the Lunar Atmosphere and Dust Environment Explorer (LADEE) is going to show that two-way laser communication beyond Earth is possible, broadening…

Hot off of revolutionizing ground-based transportation with the electric car company Tesla and proposing to revolutionize slightly-above-the-ground-based transportation with the Jetsons-esque…

Astronomers have assembled images from more than 13 years of superheated gas - 5,000 light-years long - as it is ejected from a supermassive black hole. Even in such a cosmically short time frame, it…

There is no 'you are now exiting the solar system' sign at the entrance to interstellar space, so when, and perhaps if, Voyager 1 left the solar system remains a mystery - but a team says it has…

In August 8th, the VERIS rocket is going to launch from the White Sands Test Facility in New Mexico. VERIS is short for Very high Resolution Imaging Spectrometer and its 15-minute trip will…

A lingering space mystery has been how electrons within Earth's radiation belt can suddenly become energetic enough to kill orbiting satellites. Thanks to data gathered from a pair of NASA probes…

Voyager 1, launched in 1977, has now traveled further from Earth than any previous launched object - 11 billion miles and counting. It is on the edge of our solar system and about to enter deep…