Space

NASA ER-2 pilot Kirt Stallings waits inside the transport vehicle moments before boarding the airborne science aircraft at NASA's Armstrong Flight Research Center in Edwards, California, on Thursday, Aug. 21, 2025. Outside the window, the aircraft is being readied for a high-altitude mission supporting the Geological Earth Mapping Experiment (GEMx),... Read more

We live in changing times. While we once flippantly threw villains to the lions, now we seek to fire them into the sun.... Read more

NASA is facing increasingly sharp challenges as it pursues its goal of landing astronauts on the moon again before this decade is out—and as the space agency braces for another leadership change, it's clear that the year ahead will also bring further challenges. How will NASA fare?... Read more

Stargazers across the United States are in for a treat this weekend as the annual Leonids meteor shower lights up the night sky.... Read more

NASA astronaut Jonny Kim took this photo on July 23, 2025, as the International Space Station orbited 259 miles above a cloudy Pacific Ocean southwest of Mexico. Visible in the image is the 57.7-foot-long Canadarm2 robotic arm, which extends from a data grapple fixture on the International Space Station's Harmony... Read more

Three Chinese astronauts returned from their nation's space station Friday after more than a week's delay because the return capsule they had planned to use was damaged, likely from being hit by space debris.... Read more

Blue Origin launched its huge New Glenn rocket Thursday with a pair of NASA spacecraft destined for Mars.... Read more

Early one February morning in 2025, Adam Borucki discovered something extraordinary behind his warehouse in Poland: a charred metal tank, roughly 1.5 meters across. It had crashed from space during the night, part of a SpaceX Falcon 9 rocket that failed to complete its controlled descent into the Pacific Ocean.... Read more

Envision a time when hundreds of spacecraft are exploring the solar system and beyond. That's the future that NASA's ESCAPADE, or escape and plasma acceleration and dynamics explorers, mission will help unleash: one where small, low-cost spacecraft enable researchers to learn rapidly, iterate, and advance technology and science.... Read more

China's Shenzhou-20 spacecraft took a hit from a piece of space debris floating through orbit, causing Chinese officials to delay the spacecraft's return from its Tiangong space station in early November 2025.... Read more

Tracking time is one of those things that seems easy, until you really start to get into the details of what time actually is. We define a second as 9,192,631,770 oscillations of a cesium atom. However, according to Einstein's theory of general relativity, mass slows down these oscillations, making time... Read more

Third time's the charm? Jeff Bezos's Blue Origin will try once again Thursday to launch its New Glenn Rocket.... Read more

With NASA's International Space Station set to come out of service in 2030, American aerospace firm Vast has stepped into a frenzied race for the world's first commercial space station.... Read more

The moon has no significant atmosphere, no weather, and no wind. Yet it faces an invisible bombardment more relentless than any terrestrial storm, a constant rain of micrometeoroids, tiny fragments of rock and metal traveling at speeds up to 70 kilometers per second. As NASA's Artemis program prepares to establish... Read more

Intense solar storms responsible for breathtaking auroras across the U.S. delayed the launch of Blue Origin's big new rocket Wednesday.... Read more