The first two seats of the sixth full-fledged NASA crew mission launched by SpaceX have been filled.
NASA's massive new space observatory has entered its most perilous phase yet as it begins the careful process of unfurling its delicate sunshield.
About 60 hours after launch, NASA's next-generation space observatory nailed the second of three required course-correction burns.
NASA and the astronomy community have poured $10 billion and more than two decades into just one piece of machinery. Now they are facing the moment of truth.
After more than two decades of development, NASA's next-generation space telescope is on the launch pad.
NASA's much-awaited next-generation space telescope is finally ready to launch — just as soon as the weather cooperates.
Several factors make Earth unique given what scientists know about the thousands of planets discovered to date.
Google is celebrating the 315th birthday of Émilie du Châtelet, who was a physicist, translator, philosopher despite the exclusion of women from physics at the time.
Several former employees have gone public with allegations of sexual harassment experienced at SpaceX.
Less than a year after nailing its first interplanetary mission with a flawless Mars orbit insertion, the United Arab Emirates has selected its next destination: the asteroid belt.
Water ice may be lurking just a few feet below the Martian surface at one of the Red Planet's most dramatic sites.
Space exploration doesn't happen in a vacuum. Instead, our ideas of space exploration are shaped by our cultural contexts, according to architecture and urban design professor Fred Scharmen.
The asteroid impact that wiped out most dinosaurs may have taken place during the Northern Hemisphere's spring or early summer, according to new research on the infamous mass extinction.
The International Space Station dodged a fragment of a decades-old rocket body early Friday morning, continuing a stretch of space debris threats to the orbiting laboratory.
Two NASA astronauts will conduct a spacewalk previously scheduled for Tuesday (Nov. 30) on Thursday (Dec. 2) after the agency evaluated the risks posed by space debris.
A year later, scientists and Puerto Ricans are still reeling from the loss of the iconic Arecibo radio telescope.
Just because a spacecraft is sent to study the moon doesn't mean it can't do a little extra skywatching now and then.
NASA's Mars helicopter Ingenuity has aced yet another Red Planet flight, the little chopper's 16th sortie.
Sometimes, spacecraft must be destroyed anyway. And sometimes, it takes destroying a spacecraft to get the maximum science out of a mission.