
NASA’s Kepler mission has discovered the first Earth-size planets orbiting a sun-like star outside our solar system. The planets, called…

NASA’s Kepler mission has discovered the first Earth-size planets orbiting a sun-like star outside our solar system. The planets, called…

This graphical representation from the SOFIA Science Center compares two infrared images of the heart of the Orion nebula.

The Soyuz TMA-03M spacecraft is rolled out by train on its way to the launch pad at the Baikonur Cosmodrome,…

Resembling festive lights on a holiday wreath, this NASA/ESA Hubble Space Telescope image of the nearby spiral galaxy M74 is…

This image from the Solar Heliospheric Observatory (SOHO) taken the morning of Dec. 16, 2011 shows the comet head emerging…

Like wine in a glass, vast clouds of hot gas are sloshing back and forth in Abell 2052, a galaxy…

The only time the five-ship fleet of NASA Dryden’s F-104 Starfighters was ever airborne at the same time.

Computer Sciences Corp. mechanic Jerry Roth marked holes for proper alignment of a blueprint on the wing skin of NASA’s…