Search results for chicxulub crater

Earth Sciences Oct 30, 2023

Asteroid dust caused 15-year winter that killed dinosaurs: Study

Around 66 million years ago, an asteroid bigger than Mount Everest smashed into Earth, killing off three quarters of all life on the planet—including the dinosaurs.

Earth Sciences Sep 28, 2023

Study removes human bias from debate over dinosaurs' demise

To help resolve the scientific debate over whether it was a giant asteroid or volcanic eruptions that wiped out the dinosaurs and most other species 66 million years ago, Dartmouth researchers tried a new approach—they ...

Paleontology & Fossils Sep 27, 2023

Fossils show widespread plant extinctions after asteroid wiped out dinosaurs

Sixty-six million years ago, an asteroid the size of San Francisco crashed into a shallow sea off the coast of modern-day Mexico and plunged the world into an extinction event that killed off as much as 75% of life, including ...

Paleontology & Fossils Sep 26, 2023

Fossils in Morocco reveal the astounding diversity of marine life 66 million years ago, just before the asteroid hit

Sixty-six million years ago, the Cretaceous period ended. Dinosaurs disappeared, along with around 90% of all species on Earth. The patterns and causes of this extinction have been debated since paleontology began. Was it ...

Earth Sciences Aug 10, 2023

New evidence suggests the world's largest known asteroid impact structure is buried deep in southeast Australia

In recent research published by myself and my colleague Tony Yeates in the journal Tectonophysics, we investigate what we believe—based on many years of experience in asteroid impact research—is the world's largest known ...

Planetary Sciences Jan 26, 2023

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.

Planetary Sciences Dec 1, 2022

Mars megatsunami may have been caused by Chicxulub-like asteroid impact

A Martian megatsunami may have been caused by an asteroid collision similar to the Chicxulub impact—which contributed to the mass extinction of all non-avian dinosaurs on Earth 66 million years ago—in a shallow ocean ...

Earth Sciences Oct 21, 2022

Study finds effect of Earth's orbit on ancient microorganisms

Curtin University researchers studying molecular fossils or "biomarkers" from deep beneath the Chicxulub impact crater have found evidence of how microorganisms changed in response to fluctuations in the Earth's climate, ...

Earth Sciences Oct 4, 2022

Dinosaur-killing asteroid triggered global tsunami that scoured seafloor thousands of miles from impact site

The miles-wide asteroid that struck Earth 66 million years ago wiped out nearly all the dinosaurs and roughly three-quarters of the planet's plant and animal species.

Planetary Sciences Oct 1, 2022

Glass beads in lunar soil reveal ancient asteroid bombardments on the moon and Earth

In 2020, China's Chang'e 5 mission sampled more than a kilogram of moon rock and soil and brought it back to Earth. The samples contain countless tiny beads of glass, created when asteroids hit the moon and splashed out droplets ...

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