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Globular Cluster Harbors a 13-Billion-Year-Old Planet 25 Mar 2013 | 01:45 am
This NASA/ESA Hubble Space Telescope image above shows the center of globular cluster M4. It contains several tens of thousands stars and is noteworthy in being home to many white dwarfs —the cor...
Is Earth Undergoing a 6th Mass Extinction? --"99.9% of all Past Species Extinct" 24 Mar 2013 | 02:40 pm
Of all species that have existed on Earth, 99.9 percent are now extinct. Many of them perished in five cataclysmic events. The classical "Big Five" mass extinctions identified by Raup and Sepkoski a...
Inspired by Deep Sea Sponges: Creating Flexible Minerals 18 Mar 2013 | 10:44 am
The nanometer size of the calcite bricks facilitates bending of the synthetic spicules. The radius of curvature upon bending is very large compared to the size of the individual particles. This preven...
Distant Planetary System Is a Super-Sized Solar System 18 Mar 2013 | 05:35 am
Artist’s rendering of the planetary system HR 8799 at an early stage in its evolution, showing the planet HR 8799c, as well as a disk of gas and dust, and interior planets. (Credit: Dunlap Institute f...
Hundreds of Dinosaur Egg Fossils Found 18 Mar 2013 | 02:00 am
Researchers in northeastern Spain say they've uncovered hundreds of dinosaur egg fossils, including four kinds that had never been found before in the region. The eggs likely were left behind by sau...
Dinosaur-Era Climate Change Study Suggests Reasons for Turtle Disappearance 17 Mar 2013 | 05:11 pm
This shows Annie Quinney excavating ancient soils in 70 million-year-old rocks in the Drumheller badlands. (Credit: Credit: Kohei Tanaka, University of Calgary.) The dry, barren prairie around Alber...
100-million-year-old spider attack 17 Mar 2013 | 04:28 pm
The only fossil ever discovered of a spider attack on prey caught in its web – a 100 million-year-old snapshot of an engagement caught in amber. The extraordinarily rare fossils are in a piece of am...
Magnetic fields in astrophysics: an electronic 'textbooklet' 2 Mar 2013 | 06:17 pm
Fig. 1: Field lines in the head of a magnetic jet. (Rainer Moll, MPA) Magnetic fields play an important role in many objects in the universe, from the Sun with its spots and the magnetically heated ...
Researchers Discovered the Mysterious Structure of a Black Hole Seen Edge On 2 Mar 2013 | 11:34 am
Edge-on view of the accretion disc, as seen from the Earth. A raised structure (like a donut), seen in the interior, causes the light from the inner parts of the disc (those closest to the black hole)...
Elliptical Galaxy Reveals a Spectacular "Ruins" of Black Holes and Neutron Stars 2 Mar 2013 | 01:37 am
The Chandra X-Ray Observatory image of the elliptical galaxy NGC 4261 revealed dozens of black holes and neutron stars strung out across tens of thousands of light years like beads on a necklace...
