These five spectacular impact craters on Earth highlight our planet's wild history
I think all craters are cool, I'm just going to start with that. I am very biased.
I think all craters are cool, I'm just going to start with that. I am very biased.
Planetary Sciences
Jan 26, 2023
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Micrometeoroid strikes are an unavoidable aspect of operating any spacecraft, which routinely sustain many impacts over the course of long and productive science missions in space. Between May 23 and 25, NASA's James Webb ...
Space Exploration
Jun 8, 2022
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As our solar system was forming nearly four and a half billion years ago, a planet-sized object struck the early Earth, leading to the formation of the moon, possibly from a hot, spinning cloud of rock vapor called a synestia. ...
Space Exploration
Jul 10, 2019
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On February 1, 2019 a bright meteor crossed the sky over Cuba in the middle of the day. The phenomenon, which was followed by a smoke trail (a characteristic cloud left by the burn in the atmosphere of a meteoroid) and a ...
Space Exploration
Feb 15, 2019
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Studies at the Department of Energy's SLAC National Accelerator Laboratory have made the first real-time observations of how silica – an abundant material in the Earth's crust – easily transforms into a dense glass ...
Condensed Matter
Nov 20, 2017
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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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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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(Phys.org) —A team of researchers with members from the U.S., Sweden and Switzerland studying a meteorite found in a Swedish quarry is reporting that the rock is unlike anything else ever found. In their paper published ...
A giant, geological wonder in the Sahara Desert of Mauritania is pictured in this satellite image.
Earth Sciences
May 2, 2014
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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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