NASA Didn’t Find Aliens—but if You See Any UFOs, Holler
The agency assembled a panel of experts to figure out how to handle future sightings, in case the truth is out there. ..
The agency assembled a panel of experts to figure out how to handle future sightings, in case the truth is out there. ..
Following a joint “mishap investigation” by SpaceX and the FAA, the federal agency listed 63 issues that must be addressed before launches can resume ..
Last year’s NASA mission proved it was possible to knock an incoming near-Earth object off course. But that creates debris—which might also be a threat. ..
While India’s spacecraft landed on the lunar surface, the Russian one collided with it. The mixed record shows that developing a lunar economy won’t ..
Robotic spacecraft from both countries are aiming to touch down on the moon’s southern hemisphere, as one’s space program waxes and the other wanes. ..
Defense satellites used to be big, costly, and "juicy" targets for attack. Now the Pentagon is aiming for a more resilient network of nearly 1,000 mini ..
The space agency lost touch with the beloved spacecraft following a faulty command signal. Here’s how it happened—and how engineers worked to bring ..
The European Space Agency’s new orbiting observatory will scan billions of galaxies for clues about the universe’s expansion. ..
A Sign in Space encourages the public to imagine what a real message from extraterrestrials might be like—and figure out how to interpret it. ..
The spaceflight sets the stage for the aging International Space Station's private successors, and for an influx of paying customers. ..