News tagged with years
Not by asteroid alone: Rethinking the Cretaceous mass extinction
(PhysOrg.com) -- At the end of the Cretaceous period some 65 million years ago, an asteroid slammed into Mexico’s Yucatan Peninsula, causing severe but selective extinction. While that is widely accepted, ...
Space & Earth / Earth Sciences
Jan 19, 2012 |
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Newfound exoplanet may turn to dust
Researchers at MIT, NASA and elsewhere have detected a possible planet, some 1,500 light years away, that appears to be evaporating under the blistering heat of its parent star. The scientists infer that a ...
May 18, 2012 |
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Dinosaurs had fleas too -- giant ones, fossils show
In the Jurassic era, even the flea was a beast, compared to its minuscule modern descendants. These pesky bloodsuckers were nearly an inch long.
Other Sciences / Archaeology & Fossils
Feb 29, 2012 |
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Gaseous ring around young star raises questions
(PhysOrg.com) -- Astronomers have detected a mysterious ring of carbon monoxide gas around the young star V1052 Cen, which is about 700 light years away in the southern constellation Centaurus. The ring is ...
Jan 19, 2012 |
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Time for a change? Scholars say calendar needs serious overhaul
Researchers at The Johns Hopkins University have discovered a way to make time stand still -- at least when it comes to the yearly calendar.
Dec 27, 2011 |
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Over 65 million years North American mammal evolution has tracked with climate change
Climate changes profoundly influenced the rise and fall of six distinct, successive waves of mammal species diversity in North America over the last 65 million years, shows a novel statistical analysis led ...
Dec 26, 2011 |
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Astronomers discover biggest black holes ever (Update)
University of California, Berkeley, astronomers have discovered the largest black holes to date two monsters with masses equivalent to 10 billion suns that are threatening to consume anything, even light, ...
Dec 05, 2011 |
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Massive volcanoes, meteorite impacts delivered one-two death punch to dinosaurs: study
(PhysOrg.com) -- A cosmic one-two punch of colossal volcanic eruptions and meteorite strikes likely caused the mass-extinction event at the end of the Cretaceous period that is famous for killing the dinosaurs ...
Space & Earth / Earth Sciences
Nov 17, 2011 |
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Origin of dinosaur-killing asteroid remains a mystery
(PhysOrg.com) -- Observations from NASA's Wide-field Infrared Survey Explorer (WISE) mission indicate the family of asteroids some believed was responsible for the demise of the dinosaurs is not likely the ...
Space & Earth / Space Exploration
Sep 20, 2011 |
4.9 / 5 (9) |
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Primitive birds shared dinosaurs' fate
A new study puts an end to the longstanding debate about how archaic birds went extinct, suggesting they were virtually wiped out by the same meteorite impact that put an end to dinosaurs 65 million years ...
Other Sciences / Archaeology & Fossils
Sep 19, 2011 |
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Chandra finds nearest pair of supermassive black holes
(PhysOrg.com) -- Astronomers have used NASA's Chandra X-ray Observatory to discover the first pair of supermassive black holes in a spiral galaxy similar to the Milky Way. At a distance of 160 million light ...
Aug 31, 2011 |
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Stellar eclipse gives glimpse of exoplanet
A group of astronomers led by an MIT professor has spotted an exoplanetary eclipse of a star only 40 light years away — right around the corner, astronomically speaking — revealing a "super-Earth."
Jul 19, 2011 |
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Herschel Space Observatory discovers source of cosmic dust in a stellar explosion
(PhysOrg.com) -- ESA's Herschel Space Observatory is helping unravel the mystery of where cosmic dust comes from. Thanks to the resolution and sensitivity of Herschel, astronomers have been able to detect ...
Jul 07, 2011 |
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Astronomers discover that galaxies are either asleep or awake
(PhysOrg.com) -- Astronomers have probed into the distant universe and discovered that galaxies display one of two distinct behaviors: they are either awake or asleep, actively forming stars or are not forming ...
Jun 21, 2011 |
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New candidate for most distant object in universe
(PhysOrg.com) -- A gamma-ray burst detected by NASA's Swift satellite in April 2009 has been newly unveiled as a candidate for the most distant object in the universe. At an estimated distance of 13.14 billion ...
May 25, 2011 |
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