A study, conducted in part by NASA, indicates why Mars is red — and, more importantly, what this says about potential life on ...

This photo of Mars, released by NASA Thursday, March 20, 1997, taken by the Hubble Space Telescope March 10, 1997 Goya Foods ...

NASA's most remarkable achievements include launching Explorer 1 in 1958, the 1969 Apollo 11 moon landing, and the Hubble ...

A file photo taken 27 August 2003 by NASA's Hubble Space Telescope shows Mars snapped within minutes of the planet's closest ...

Hubble was built to be tuned up in orbit. But it wasn't designed for the major overhaul NASA astronauts undertook during its fourth servicing mission, 3B, in March 2002. They delved into the ...

Mars has fascinated humanity since Galileo Galilei accurately observed it more than 400 years ago. Now we’re getting to the ...

Hubble and its fellow observatories give us an unprecedented, crystal-clear look at the far reaches of the cosmos. Explore these orbiting pioneers and learn what they've discovered. 3 min read The ...

This NASA/ESA Hubble Space Telescope reveals clouds of gas and dust near the Tarantula Nebula, located in the Large Magellanic Cloud about 160,000 light-years away. ESA/Hubble & NASA, C.

A part of space 4,000 light-years away is filled with baby stars, and the Hubble Space Telescope can see them. Two new photos taken by the intrepid telescope and released to celebrate the eye on ...

NASA's Hubble Space Telescope has captured a cosmic bullseye. The gargantuan galaxy LEDA 1313424 is rippling with nine star-filled rings after an "arrow"—a far smaller blue dwarf galaxy—shot ...