Future batches of the satellite will have a special coating to reduce their reflectivity
Watch while you can—the next transit of the closest planet to the sun will not occur until 2032
Hundreds of previously overlooked Earth-sized planets may await discovery in archives from NASA’s Kepler mission
New evidence from the asteroid belt and other sources hints at a surprisingly complicated creation story for the giant planet
The tumbling spacecraft’s uncontrolled reentry could resemble that of NASA’s Skylab station from 1979
The finding raises new questions about the nature of these colossal cosmic explosions
Images from the Rosetta spacecraft provide the first clear link between a comet's outbursts and changes upon the comet's surface
The Swift telescope has charted a star's plunge into a supermassive black hole at the core of a distant galaxy
The station's Cold Atom Laboratory will reach temperatures just a billionth of a degree above absolute zero
An international group of astronomers is set to codify a crop of informal names for the dwarf planet's geographical features
African-American women working behind the scenes as “human computers” were vital to the Space Race
The phenomenon, called a gravity wave, is likely produced by winds flowing over a mountain on the planet's surface
Signs seen on brown dwarf, an object bigger than a planet and smaller than a star
NASA’s interplanetary probe is cruising toward an encounter with our local gas giant this summer. As the data starts flowing in, we may also learn about Jupiter’s many cousins across the galaxy...
After two years on the Red Planet, NASA's Curiosity rover rules out a seasonal explanation for an observed methane spike
Asteroid TB145 will make a near pass of our planet, offering astronomers a chance for an up-close radar view of its surface
After more than a year in orbit around a comet, the European Rosetta spacecraft and its icy dance partner are hitting a huge milestone: their closest approach to the sun
Discovering the first true “alien Earth” is a long-held dream of astronomers. Recent exoplanet discoveries suggest that their dream will come true in the not-too-distant future...
The Rosetta spacecraft, currently orbiting Comet 67P/Churyumov-Gerasimenko, has spotted 120 bright, reflective spots on the surface of the comet, for which water ice is a plausible explanation...
Ed White’s first foray into the vacuum of space on June 3, 1965, set the stage for future spacewalks to assemble stations and repair telescopes