How did this unusual Martian rock form? This atypical two-toned rock was photographed in March 2007 by Mars Exploration Rover…
Over 120 million years ago, a single mass of granite punched through the Earth’s crust and intruded into the heart…
Like a roman candle shooting through the blue sky, the launch of Space Shuttle Discovery on mission STS-121 kicks off…
Like swirls of paint on an enormous canvas, shallow lakes, mudflats, and salt marshes share the sinuous valleys on Iran’s…
Hinode, a collaborative mission of the space agencies of Japan, the United States, United Kingdom and Europe, captured these very…
This 1991 image from NASA’s Hubble Space Telescope captures a small section of the Cygnus Loop supernova remnant. The Cygnus…
Recent Cassini images of Saturn’s moon Enceladus backlit by the sun show the fountain-like sources of the fine spray of…
In this Spitzer Space Telescope image, the two opposing bubbles are being formed in opposite directions by the powerful outflows…
Two decades ago, astronomers spotted one of the brightest exploding stars in more than 400 years. Since that first sighting,…
Io is a colorful place. The closest large moon of Jupiter, Io has the most volcanic activity of any moon…
