NASA’S Fermi Measures Cosmic ‘Fog’ Produced by Ancient Starlight

NASA’S Fermi Measures Cosmic ‘Fog’ Produced by Ancient Starlight

Astronomers using data from NASA's Fermi Gamma-ray Space Telescope have made the most accurate measurement of starlight in the universe and used it to establish the total amount of light from all of the stars that have ever sho...
by David McGee
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A bright, long duration flare may be the first recorded event of a black hole destroying a star in a dwarf galaxy.

Death by Black Hole in a Small Galaxy?

A bright, long duration flare may be the first recorded event of a black hole destroying a star in a dwarf galaxy. Two independent studies indicate 'death by a black hole.' NASA.gov. reports.
by David McGee
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A beautiful barred-spiral stretches out long from a round, bright, yellow-glowing core. Glowing clouds of stars shift through yellow and white to bluish, and dark filaments are laced with pink active star forming regions.

Dancing the Dance of Stars and Space

The NASA/ESA Hubble Space Telescope provides a spectacular image of the bright star-forming ring that surrounds the heart of the barred spiral galaxy NGC 1097. Also: Like a ship plowing through still waters, the giant star Zeta...
by David McGee
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Saturn’s Rings in Daylight, On the Night Side

A spectacular view of Saturn's rings as photographed from the planet's nightside by the Cassini spacecraft on the Cassini Solstice Mission.
by David McGee
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Oldest Recorded Supernova: Last Remnants of Chinese ‘Guest Star’ of 185 A.D.

A truly cool image, combined from data from four different space telescopes, shows all that remains of the oldest documented example of supernova RCW 86, which the Chinese documented in 185 A.D. as a mysterious "guest star" in ...
by David McGee
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First Global Topographic Model of Mercury

NASA’s MESSENGER mission has unveiled the first global Digital Elevation Model (DEM) of Mercury, revealing in stunning detail the topography across the entire innermost planet.
by David McGee
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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
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A Spasmodic Active Region on the Sun…

Ol' Sol has been putting on a show lately, with a dazzling variety of dozens of spurts and eruptions and an equally dazzling magnetic display known as coronal rain.
by David McGee
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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
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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
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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
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The Solar and Heliospheric Observatory (SOHO) captured this image of the sun at 5:06 a.m. EDT on Oct 5, 2012 showing a coronal mass ejection (CME) spreading away from the sun toward Earth. Credit: SOHO (ESA & NASA)

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
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