NASA Satellites Capture a Stronger La Nina

New NASA satellite data indicate the current La Niña event in the eastern Pacific has remained strong during November and December 2010...

Cassini's Snaps of Rhea Coming Down

Raw images obtained by NASA's Cassini spacecraft from the closest flyby of Saturn's moon Rhea have begun streaming to Cassini's raw image page...

Cosmology Standard Candle not so Standard After All

Astronomers have turned up the first direct proof that "standard candles" used to illuminate the size of the universe, termed Cepheids, shrink in ...

NASA Satellites Find High-Energy Surprises in 'Constant' Crab Ne

The combined data from several NASA satellites has astonished astronomers by revealing unexpected changes in X-ray emission from the Crab Nebula, once thought to be the steadiest high-energy source in the sky...

NASA Telescopes Help Find Most Distant Galaxy Cluster

Astronomers have uncovered a burgeoning galactic metropolis, the most distant known in the early universe. Scientists refer to this growing lump of galaxies as a proto-cluster...

NASA Research Finds 2010 Tied for Warmest Year on Record

Global surface temperatures in 2010 tied 2005 as the warmest on record, according to an analysis released Wednesday by researchers at NASA's Goddard Institute for Space Studies in New York...

Web-Streamed Event Will Cover Mars Science Findings

Scientists will discuss recent discoveries about Mars and future Mars exploration at a Jan. 13 event to be streamed live and archived...

NASA Image Shows La Niña-Caused Woes Down Under

New technologies developed by NASA and other agencies are revealing surprising insights into a major quake that rocked parts of the American ...

Holes in the Sun's Corona

This SDO image from Jan. 10 shows a "coronal hole," an area of the sun's surface that sends magnetic field lines way out into space...

Cassini to Probe Rhea for Clues to Saturn Rings

Saturn's icy moon Rhea might seem a strange place to look for clues to understanding the vast majestic rings encircling Saturn...

In Distant Galaxies, New Clues to Century-Old Molecule Mystery

A team of NASA and European scientists recorded the "fingerprints" of mystery molecules - thought to be large organic compounds - in two distant galaxies...

NASA's Fermi Catches Thunderstorms Hurling Antimatter into Space

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Scientists using NASA's Fermi Gamma-ray Space Telescope have detected beams of antimatter produced above thunderstorms on Earth, a phenomenon never seen before...

NASA's Hubble Finds that Puny Stars Pack a Big Punch

A deep survey of more than 200,000 stars in our Milky Way galaxy has unveiled the sometimes petulant behavior of tiny red dwarf stars. These stars, which are smaller than the Sun, can unleash powerful eruptions called flares that may release the energy of more than 100 million atomic bombs...

NASA'S Kepler Mission Discovers Its First Rocky Planet

Kepler confirmed the discovery of its first rocky planet. Measuring 1.4 times the size of Earth, it is the smallest planet ever discovered outside our solar system.

Hotspots in Fountains on the Sun's Surface Help Explain Coronal

Among the many constantly moving, appearing, disappearing and generally explosive events in the sun's atmosphere, there exist giant plumes of gas--as wide as a state and as long as Earth...