Recent findings back up Einstein's thinking and cast doubt on "rolling scalar fields," an alternative theory of dark energy that suggests the accelerated expansion of the universe will change over time...
The Iranian space program plans to launch a live monkey into space, despite previous failed attempts
The U.S. government refuses to spend 85 quadrillion taxpayer dollars on a Death Star, based on a fictional space station in the movie Star Wars, saying the project's fatal flaws make it susceptible to attacks by one-man starships...
Five times wider than our own galaxy, the Milky Way, scientists hypothesize that the universe's largest spiral galaxy may have formed several billion years ago
NASA scientists have proposed snagging a 25-foot-wide asteroid and placing it into lunar orbit—the first step on sending a deep-space mission to Mars
The spine's elongation in microgravity can add two inches to a six-foot-tall astronaut
The fabled spaceship could join the similarly petitioned Death Star. Artificial gravity remains a big hurdle
The Quandrantid meteor shower should put on a show late Wednesday and early Thursday
Experts weigh in on NASA's direction and its goal to send astronauts into deep space
The European Space Agency has a packed year ahead to work on NASA's new Orion capsule, new contracts for Ariane rockets and a new reusable space plane
The balloon-borne telescope is set to probe why the Milky Way doesn't form as many stars as it might
Most of the damage was in the visitor's welcome center, which still isn't open. Nearly two meters of water flooded the building, while the tip of Enterprise's vertical stabilizer tore off when an inflatable pavilion fell down around it...
For northern latitudes, the solstice marks the beginning of winter, but ancient skywatchers didn't understand the sun's migration, fearing it could disappear forever as it dipped below the horizon...
Radiation risk currently limits space journeys to about one year, putting Mars within reach but many other locations unaccessible
The newly detected planet is one of five found circling the star Tau Ceti, which sits 12 light-years away
Ride, the first American woman in space, was an advocate of science and math education, including outreach projects related to the latest moon mission
Researchers discovered the asteroid shortly before it came within 225,000 kilometers of the planet
Host of popular BBC program The Sky at Night for 55 years, Moore inspired many but was sometimes a divisive figure as well
The Geminid Meteor Shower offers stargazers a host of slow, bright fireballs and lasts for two to three days
Scientists speculate that an energetic "kick" could boot a star out of orbit and drive the remaining pair closer together