Where in the Universe Is Voyager? The Surprising Showdown Over Where Our Solar System Ends
Voyager 1 entered interstellar space, and then — oops! — it didn’t
Voyager 1 entered interstellar space, and then — oops! — it didn’t
Richard Garriott, who took a $30 million ride on the International Space Station, has some big ideas
The Red Planet may be home to a vast ocean of water—and it’s straining to break free
Somewhere between the harebrained idea and the humble one is where real space vision lives
The power of every computer you’ve ever owned is also its weakness: the digital microchip
An unlikely study of 60 years of acceptance speeches offers a peek into the human condition
Today’s Russian meteor and later flyby of a big asteroid are no cause for panic—but they are a cause for vigilance
We can’t protect ourselves from incoming ordnance, but we have a pretty good idea of what a big hit would be like
On Feb. 15, Earth will have a visitor, reminding us that our solar system is still a shooting gallery
Too many men and woman have died in the effort to explore space—and too many of them are unknown. NASA has set aside a day to honor them all. What follows is a remembrance the Russians and Americans who lost their lives during …