The total solar eclipse of 2017 could cost U.S. companies nearly $700 million in lost productivity on Monday (Aug. 21) when workers pause to watch the moon block the sun.
The U.S. military's new XS-1 space plane will be built by Boeing, and it's called the Phantom Express.
A European spacecraft destined to land on Mars detached from its mothership on Sunday (Oct. 16), setting the stage for a daring descent to the Red Planet's surface later this week.
A SpaceX Falcon 9 rocket appears to have exploded on its Florida launch pad early Thursday (Sept. 1), just days ahead of a planned weekend liftoff of a commercial satellite.
The sun fired off its strongest solar flare of 2016 during an active weekend that saw three eruptions from star's surface.
Stephen Hawking is helping to lead Breakthrough Starshot, an effort to develop tiny, light-propelled spacecraft that could reach the Alpha Centauri star system just 20 years after blasting off.
Take that, Jupiter! The largest planet in the solar system just got whacked by an asteroid or a comet, and some intrepid stargazers have captured the planet's latest collision on camera.
The U.S. Army launched a prototype hypersonic weapon test from Alaska on Monday (Aug. 25), only to destroy the superfast vehicle seconds later when something went wrong.
A sunset solar eclipse wowed observers in Australia Tuesday (April 29) during the first solar eclipse of 2014. See photos of the solar eclipse here.
A Chinese satellite orbiting Earth has captured a new photo of possible debris from the missing Malaysian Airlines jet that disappeared with 239 people on March 8.
Spring has officially sprung in the Northern Hemisphere and NASA is celebrating with a dazzling new view of the Earth from space today (March 20).
NASA's Mars rover Curiosity has snapped its first photo of Earth from the surface of the Red Planet, an amazing image that also includes the moon. See the photos here.
A mystery rock on Mars that suddenly appeared in front of NASA's Opportunity rover may look like a tasty donut, but it is like nothing ever seen on the Martian surface before, scientists say.
A massive solar flare erupted from the sun on Tuesday (Jan. 7), rising up from what appears to be one of the largest sunspot groups seen on the star's surface in a decade, NASA officials say.