Europe's deep-space Herschel telescope has given up the ghost—running out of coolant after a successful mission to observe the birth of stars and galaxies, the European Space Agency said Monday.
Apr 29, 2013
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(Phys.org) —Blazars are the brightest of active galactic nuclei, and many emit very high-energy gamma rays. New observations of the blazar known as PKS 1424+240 show that it is the most distant known source ...
Apr 18, 2013
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A duo of astronomers, Dr. Youichi Ohyama (Institute of Astronomy and Astrophysics, Academia Sinica or ASIAA, Taiwan) and Dr. Ananda Hota (UM-DAE Centre for Excellence in the Basic Sciences or CBS, India), ...
Apr 11, 2013
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(Phys.org) —Acquired by ESA's Planck space telescope, the most detailed map ever created of the cosmic microwave background – the relic radiation from the Big Bang – was released today revealing the ...
Mar 21, 2013
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(Phys.org) —ESA's Herschel space observatory is expected to exhaust its supply of liquid helium coolant in the coming weeks after spending more than three exciting years studying the cool Universe.
Mar 05, 2013
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Theoretical astrophysicist Avi Loeb has a pretty good idea about how the universe's first galaxies formed, but he can't wait to see if his theories are right.
Mar 01, 2013
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(Phys.org)—This thin, glittering streak of stars is the spiral galaxy ESO 121-6, which lies in the southern constellation of Pictor (The Painter's Easel). Viewed almost exactly side-on, the intricate structure ...
Feb 10, 2013
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(Phys.org)—When most people think of astronomers, they envision scientists who spend time peering at stars and galaxies through telescopes on high mountain tops. Rutgers astronomer Rachel Somerville depends ...
Jan 24, 2013
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(Phys.org)—Where do we come from? What is the universe made of? Will the universe exist only for a finite time or will it last forever? These are just some of the questions that University of California, ...
Jan 09, 2013
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(Phys.org)—Of the three telescopes carried by NASA's Swift satellite, only one captures cosmic light at energies similar to those seen by the human eye. Although small by the standards of ground-based observatories, ...
Dec 28, 2012
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(Phys.org)—A team of astronomers led by the California Institute of Technology (Caltech) has used NASA's Hubble Space Telescope to discover seven of the most primitive and distant galaxies ever seen.
Dec 12, 2012
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As far back in time as astronomers have been able to see, the universe has had some trace of heavy elements, such as carbon and oxygen. These elements, originally churned from the explosion of massive stars, ...
Dec 05, 2012
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Have you taken an interesting astronomical photo this year? From planets and moons to the Sun, stars and galaxies, we'd like you to send us your images to feature as our Space Science Image of the Week on ...
Nov 20, 2012
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(Phys.org)—A new study using data from NASA's Spitzer Space Telescope suggests a cause for the mysterious glow of infrared light seen across the entire sky. It comes from isolated stars beyond the edges ...
Nov 02, 2012
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For scientists trying to understand the subtleties of cosmic dynamos—the magnetic field-inducing phenomena at the hearts of planets, stars and galaxies—the physics, for the most part, must be done at ...
Oct 25, 2012
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