To boldly go where no humans have gone before
The Planetary Society's second solar sail will attempt to use sunlight to fly through space
2,500 years ago, Anaxagoras correctly determined that the rocky moon reflects light from the sun, allowing him to explain lunar phases and eclipses
Last night's successful launch was the first big step in SpaceX's plan to provide global internet coverage from space
Two teams of astronomers voyaged to Africa and Brazil to observe the most famous eclipse in science
Apollo at 50: We Choose to Go to the Moon
A collection of stories to celebrate the semicentennial of the Apollo 11 mission
Apollo at 50: We Choose to Go to the Moon
From JFK's real motives to the Soviets' secret plot to land on the Moon at the same time, a new behind-the-scenes view of an unlikely triumph 50 years ago
Fifty years ago, the astronauts who crewed the “dress rehearsal” for Apollo 11 paved the way for history to be made just a couple months later
Apollo at 50: We Choose to Go to the Moon
Moon-landing deniers, says space scholar and former NASA chief historian Roger Launius, are full of stuff and nonsense
A part of Washington, D.C.'s Awesome Con, the dynamic presentation series blends entertainment and education
The Psyche spacecraft, headed to an asteroid with the same name, will explore a metal world thought to be the leftover core of a destroyed planet
The first pictures of the sky were taken on glass photographic plates, and these treasured artifacts can still help scientists make discoveries today
Two decades before the first American woman flew to space, a group of female cosmonauts trained in Star City of the Soviet Union
Wide-ranging research compares astronaut Scott Kelly to his earthbound twin brother, Mark
The Event Horizon Telescope reveals the silhouette of a black hole at the center of a galaxy 55 million light-years away
NASA’s food packages now in the collections of the Air and Space Museum tell the story of how a physiologist brought better eating to outer space
The deep caverns and pits that dot the lunar surface could hold clues to the moon's history and perhaps provide shelter for future human exploration
Apollo’s successful computing software was optimized to deal with unknown problems and to interrupt one task to take on a more important one
When the Milky Way consumes another galaxy, tendrils of stellar streams survive the merger, containing clues about the universe's mysterious unseen matter
SpaceX's new Crew Dragon spacecraft could launch the first astronauts from U.S. soil in almost a decade
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