Conditions in the vast universe can be quite extreme: Violent collisions scar the surfaces of planets. Nuclear reactions in bright stars generate tremendous amounts of energy. Gigantic explosions catapult matter far out into ...
General Physics
Apr 15, 2016
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The meteor that exploded over Chelyabinsk, Russia in February 2013 was "a wake-up call," according to a University of California, Davis scientist who participated in analyzing the event. The work is published November 7, ...
Space Exploration
Nov 6, 2013
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(PhysOrg.com) -- When a meteor impacts a planet or a moon, it always stops at a relatively shallow depth, even when impacting at high speeds. Until now, researchers have assumed that all objects impacting a granular medium ...
(PhysOrg.com) -- The expanding spot discovered on Venus last month may not have garnered as much attention as the meteor impact with Jupiter, but its cause is certainly more puzzling.
The "super-eruption" of a major volcanic system occurs about every 100,000 years and is considered one of the most catastrophic natural events on Earth, yet scientists have long been unsure about what triggers these violent ...
Earth Sciences
Oct 12, 2011
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A team of scientists has discovered the youngest dinosaur preserved in the fossil record before the catastrophic meteor impact 65 million years ago. The finding indicates that dinosaurs did not go extinct prior to the impact ...
Archaeology
Jul 13, 2011
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When the dinosaurs became extinct, plenty of small bird-like dinosaurs disappeared along with giants like Tyrannosaurus and Triceratops. Why only some of them survived to become modern-day birds remains a mystery. Now, researchers ...
Archaeology
Apr 21, 2016
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909
Shock-synthesized diamonds said to prove a catastrophic impact killed off North American megafauna can't be found.
Earth Sciences
Aug 30, 2010
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(Phys.org) -- Researchers from the University of Saskatchewan and the Geological Survey of Canada (GSC) have discovered a massive meteor impact from millions of years ago in Canada’s western Arctic.
Earth Sciences
Aug 8, 2012
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The latest Mars destination is a giant crater near the equator with an odd feature: a mountain rising from the crater floor.
Space Exploration
Aug 4, 2012
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