The much-hyped James Webb Space Telescope promises to revolutionize exoplanet science, but only if astronomers can agree on how to use it.
A series of delays thwarted repeated liftoff attempts on Thursday. A second attempt is set for Friday morning
Genetic blueprints attached to a rocket survived a short spaceflight and later passed on their biological instructions
La principal misión para la próxima década del programa de vuelos espaciales humanos de Estados Unidos puede terminar antes de siquiera comenzar.
America's keystone human spaceflight mission for the next decade may be over before it begins
This week’s fiery failure of Orbital Sciences’s Antares rocket has some wondering if the company has the right stuff to support NASA’s goal to outsource orbital flights...
For the first time two spacecraft will soon make up-close studies of objects from the solar system’s Kuiper Belt, a mysterious region beyond Neptune’s orbit.
Looking up into the bright Mojave sky in 2004, I strained to keep my eyes on the tiny spaceship 50,000 feet up. "Three, two, one... release, release, release!" came the call over the loudspeakers...
A starship comes tearing through the solar system, its sensors capturing a brief glimpse of the inner planets. A small blue-green world spins while its tiny dark moon gyrates around it.
On October 9th, 2013, NASA’s Juno mission completed an Earth ‘flyby’ to gain a little extra velocity (a gravitational slingshot maneuver that steals a tiny bit of Earth’s momentum) to get it to Jupiter in 2016...
After many claims and statements over the past few years that Voyager 1, our most distant operating spacecraft, has ‘left the solar system’ (it hasn’t, as I explain here), it does now seem that as of August 2012 this extraordinary vehicle has entered the interstellar medium...
For two weeks in April the world was ablaze. NASA satellites documented these infernos, both wild and controlled, as they burned from the U.S. to Australia
Seeking Antarctica’s Huddled Masses: Humans Make First Contact with Emperor Penguin Colony [Slide Show]
Explorers venture into uncharted territory to help scientists map Antarctica’s emperor penguin population from space
Science and a furnace turn glass and metallic oxides into fantastic worlds
Ferrying space shuttles across the country is just one of the very odd jobs given to the workhorse jumbo jet
NASA's beautiful collection of astromaterials is meticulously collected, catalogued and preserved for researchers to delve into the origins of our planet and the solar system
Next week will be the last opportunity this century to see the planet Venus as a little black dot moving across the solar disk--a rare event with a long, important history in astronomy
Washington, D.C. and New York City greet the retiring shuttles
Twenty-six nongovernment teams are competing to get a rover on the moon by 2015. Here is a look at one of the best