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 …
The world is a decidedly different place from 250 miles up—one too few of us get to see
Four decades after flying to the moon, Apollo 17 commander Gene Cernan still has a lot to say.
On the 40th anniversary of the final moon landing, the past remains brighter than the future
A small problem on Earth can be a very big one in space. How science is trying to cut the risk
The first man on the moon survived three near-fatal incidents and spent the rest of his life trying to avoid the spotlight
Stunning images of the sun, Earth and far-away locales in our roundup of cosmic views from July 2012.
Riding rocket ships was once an all-boys’ game. Valentina Tereshkova changed that for the Russians and Sally Ride changed it for the U.S. With the passing of Ride, here’s a look at some of those who came before and followed.
Ride, who died Monday at age 61 after a battle with pancreatic cancer, did not dazzle easily
A gallery of some of the men who journeyed into space — and what they have done since returning to Earth