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An artist's rendering of a dinosaur fleeing a wall of water
Cretaceous Meteor That Killed Most Life on Earth Hit in Spring
Researchers determined the season during which the meteor struck by studying the bones of fish excavated from a contentious field site.
Cretaceous Meteor That Killed Most Life on Earth Hit in Spring
Cretaceous Meteor That Killed Most Life on Earth Hit in Spring

Researchers determined the season during which the meteor struck by studying the bones of fish excavated from a contentious field site.

Researchers determined the season during which the meteor struck by studying the bones of fish excavated from a contentious field site.

asteroid
Famous Arecibo Radio Telescope in Puerto Rico Collapses
Ashley Yeager | Dec 1, 2020 | 2 min read
A 900-ton equipment platform suspended hundreds of feet above the ground fell and punched a hole in the giant radio dish below, marking a catastrophic end for the iconic observatory.
Yarrabubba crater Australia
Australia’s Yarrabubba Asteroid Impact Crater Is Oldest on Earth
Amy Schleunes | Jan 22, 2020 | 2 min read
A new study precisely dates the event to 2.229 billion years ago and suggests that it may have been responsible for ending an ice age.
asteroid
New Evidence Points to Asteroid as Cause of Dinosaur Extinction
Amy Schleunes | Jan 17, 2020 | 2 min read
Carbon cycle modeling and paleotemperature records argue that an asteroid impact—not volcanic fumes—was the main driver of the dinosaur die-off.
Trove of Fossils Shows Mammal Evolution after Dino Extinction
Emily Makowski | Oct 25, 2019 | 2 min read
The site, Corral Bluffs in Colorado, also reveals how plants evolved and how ecosystems rebounded after the asteroid impact.
fossil fish chicxulub north dakota asteroid
Animals in North Dakota Died from Chicxulub Asteroid in Mexico
Chia-Yi Hou | Apr 1, 2019 | 3 min read
Fossils reveal the quick death of plants and animals from a massive surge of water after the impact 66 million years ago, which is thought to have spelled the demise of dinosaurs.
Life Reemerged Just Years After Dinosaur-Killing Asteroid Impact
Ashley Yeager | May 30, 2018 | 2 min read
Nutrient-rich water helped marine organisms reinhabit Chicxulub crater relatively quickly after the mass-extinction event.
Present-Day Arboreal Birds Have Ground-Dwelling Past
Sukanya Charuchandra | May 24, 2018 | 1 min read
A mass extinction event from an asteroid hitting Earth wiped out forests and, concurrently, tree-dwelling birds.  
Study: Dino Populations Were Waning Before Wipeout
Bob Grant | Apr 19, 2016 | 2 min read
The massive rock that smashed into Earth 66 million years ago killed off many dinosaur species, but the animals were in steady decline for millennia before the cataclysm, researchers report.
Meteorite hints at life’s origins
Tia Ghose | Jun 9, 2011 | 2 min read
As debate continues to swirl around arsenic-loving bacteria, a space rock yields new astrobiological clues.
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