California earthquake: NASA radar images show that the powerful quake that struck Baja California in April moved Calexico, a city on the US-Mexico border, some 31 inches to the south.
Water on Mars flowed as recently as several hundred million years ago, much later than had been previously believed, researchers say.
This composite image shows N49, the aftermath of a supernova explosion in the Large Magellanic Cloud.
Scientists have succeeded in clocking the winds in the atmosphere of a planet orbiting a star in the constellation Pegasus. Windiest planet in our solar system is Neptune, at 1,200 m.p.h.
This image depicts a vast canyon of dust and gas in the Orion Nebula from a 3-D computer model based on observations by NASA's Hubble Space Telescope and created by science visualization specialists at the Space Telescope Science Institute (STScI) in Baltimore, Md. A 3-D visualization of this model takes viewers on an amazing four-minute voyage through the 15-light-year-wide canyon.
Iron Maiden invaded NASA's astronaut headquarters this month for an all-access look at how Americans practice for flying in space.
A collision between two galaxies has left one of them with a tail of stars, as revealed by an ultraviolet snapshot from a NASA space observatory.
The Hubble Space Telescope has captured a spectacular photograph of a giant space bubble filled with baby stars.
AURORA BOREALIS: The aurora borealis, or the northern lights, are seen above Bear Lake in Alaska in January 2005. The lights are the result of solar particles colliding with gases in Earth's atmosphere.
Space shuttle missions STS-133 and STS-134 could be pushed back a few months, if NASA's request to delay the program's final two missions is approved.