NASA’S Hubble Provides First Census of Galaxies Near Cosmic Dawn

DISTANT WORLDS--Using NASA's Hubble Space Telescope, astronomers have uncovered a previously unseen population of seven primitive galaxies that formed more than 13 billion years ago.
by David McGee
 

 
 

NASA’s Chandra Observatory Finds Cosmic Showers Halt Galaxy Growth

NASA's Chandra X-ray Observatory has uncovered surprising news about a process that is stifling star formation in a distant galaxy cluster. It's been going on for 7 billion years.
by David McGee
 

 

 

Fallen Stars: A Gallery of Famous Meteorites

The meteor that exploded over Chelyabinsk in Russia's Ural Mountains on Feb. 15 is only the latest of history's most famous meteorites. Tale a look at this gallery of notable alien rocks, on earth and from elsewhere in the univ...
by David McGee
 

 
 

From Earth’s Caves, A Better Understanding of Mars

Dr. Penny Boston is exploring some of the most extreme environments on earth--the Snowy River Cave, the Cave of Crystal Giants--both in New Mexico, n the land where Billy the Kid once roamed--on the educated guess that those re...
by David McGee
 

 

 

Cause and Effect

CAUSE AND EFFECT: When the sun spit out a Coronal Mass Ejection (CME) on Oct. 5, a brilliant aurora appeared three days later over Saskatoon, Saskatchewan, Canada. When Earth-directed, CMEs can affect electronic systems in sate...
by David McGee
 

 
 

NASA Mission Reveals Speed of Solar Wind Stripping Martian Atmosphere

NASA's MAVEN has produced data enabling researchers to determine the rate at which the Martian atmosphere is losing gas to space via solar wind.
by David McGee
 

 

 

Countdown to Pluto

NASA’s Pluto-bound New Horizons spacecraft has traversed the orbit of Neptune. This is its last major crossing en route to becoming the first probe to make a close encounter with distant Pluto on July 14, 2015.
by David McGee
 

 
 

Hubble Spots Spiral Bridge of Young Stars Linking Two Ancient Galaxies

A Hubble space Telescope photo of an unusual structure 100,000 light years long yields new insights into the formation of stellar superclusters.
by David McGee
 

 

 

Saturn’s Titan Moon Gets a Dune ‘Makeover’

The craters of Titan, Saturn's largest moon, are being erased as they're filled with dunes of exotic hydrocarbon sand, complicating efforts to estimate the age of the planet's surface.
by David McGee
 

 
 

Awesome Images from Hubble & New Insights into Coma Galaxies

Amazing pictures from the constellation Antlia (aka The Air Pump)and activity in the dwarf galaxy ESO 540-31 courtesy Hubble + new findings in the Coma galaxies.
by David McGee
 

 

 

NASA’s Fermi Discovers the Most Extreme Blazars Yet

NASA's Fermi Gamma-ray Space Telescope has identified the farthest gamma-ray blazars, a type of galaxy whose intense emissions are powered by supersized black holes.
by David McGee
 

 
 

Climate Conditions Determine Amazon Fire Risk–The Threat of ‘Understory’ Fires

'Understory' fires are destroying more of the Amazon rainforest than is being lost through deforestation, NASA scientists have determined.
by David McGee