John Glenn's trailblazing legacy took flight Tuesday as a cargo ship bearing his name rocketed toward the International Space Station.
Carbon is a building block of life on our planet. It is stored in reservoirs on Earth – in rocks, plants and soil – in the oceans, and in the atmosphere. And it cycles constantly between these reservoirs.
As neighboring planets, Earth and Mars have a few things in common. Both are terrestrial in nature (i.e. rocky), both have tilted axes, and both orbit the sun within its circumstellar habitable zone. And during the course ...
A Soyuz rocket operated by Arianespace from Europe's spaceport in Kourou will boost ESA's upcoming exoplanet satellite into space.
At first glance this scene may seem nothing out of the ordinary, but the large elongated crater marks the imprint of an impacting body that may have broken into three before it hit Mars.
The world's oldest and most experienced spacewoman is getting three extra months in orbit.
Meteosat-7, EUMETSAT's oldest operational meteorological satellite, tomorrow begins its final journey to the great graveyard orbit in the sky.
Calculating a proton's spin used to be an easy college assignment. In fact, Carl Gagliardi remembers answering that question when he was a physics graduate student in the 1970s. But the real answer turned out not to be simple ...
Yale astronomers have discovered a "lost" planet that is nearly the size of Neptune and tucked away in a solar system 3,000 light years from Earth.
The mound in the center of this Mars Reconnaissance Orbiter (MRO) image appears to have blocked the path of the dunes as they marched south (north is to the left in this image) across the scene. Many of these transverse dunes ...