Jets generated by supermassive black holes at the centers of galaxies can transport huge amounts of energy across great distances.
This ghostly image from NASA's Spitzer Space Telescope shows the disembodied remains of a dying star, called a planetary nebula.
Can you see the profile of a wicked witch in this new infrared image of a nebula from the WISE…
Kepler-78b: First Earth-Sized Rocky Planet
Computer-generated artist's rendering of the International Space Station as of Sept. 25, 2013.
Expedition 38 Flight Engineer Rick Mastracchio of NASA (left), Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency (center)…
Computer-generated artist's rendering of the International Space Station as of Oct. 22, 2013.
Computer-generated artist's rendering of the International Space Station as of Sept. 28, 2013.
Artist concept of NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE) demonstrating Lunar Laser Communications Demonstration (LLCD).
On October 27, 1961, NASA's Marshall Space Flight Center and the Nation marked a high point in the 3-year-old Saturn…
