
In this view, the Mercury-Redstone 3 (MR-3) spacecraft carrying Alan Shepard in Freedom 7 is already headed towards its suborbital…

Astronaut Alan B. Shepard Jr., posing here in his Mercury flight suit, was born in New Hampshire in 1923. After…

Astronaut Alan B. Shepard Jr. walks away from his Freedom 7 capsule following a post-flight inspection aboard the carrier USS…

A Marine helicopter picks up Mercury astronaut Alan Shepard and his Freedom 7 capsule in the Atlantic Ocean after his…

Astronaut Alan B. Shepard, Jr. sits in his Freedom 7 Mercury capsule, ready for launch. Just 23 days earlier, Soviet…

These side-by-side images obtained by NASA’s Cassini spacecraft show the feature named Tortola Facula on Saturn’s moon Titan. The left…

The four-member crew is at Kenn

In this image from 2005, NASA’s Mars Exploration Rover Opportunity used its rock abrasion tool on a rock informally named…

Viewed from space, the most striking feature of our planet is the water. In both liquid and frozen form, it…

Researchers checked out emissions detection equipment set up behind NASA’s DC-8 flying laboratory during ground tests of alternative biofuels derived…