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Near-Earth Object Impacts News
June 19, 2020

Top Headlines
 

Protecting Earth from Asteroid Impact With a Tethered Diversion

The use of a tether assisted system could prevent an asteroid impacting Earth without the risk of ...

New Study Reveals Cracks Beneath Giant, Methane Gushing Craters

250-million-year-old cracks in the seafloor feed greenhouse gas methane into giant craters in the Barents Sea. More than 100 craters, presently expelling enormous amounts of the greenhouse gas into ...
New simulations have revealed the asteroid that doomed the dinosaurs struck Earth at the 'deadliest ...

Ancient Meteorite Site on Earth Could Reveal New Clues About Mars' Past

Scientists have devised new analytical tools to break down the enigmatic history of Mars' atmosphere -- and whether life was once possible there. It could help astrobiologists understand the ...
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updated 3:24am EDT

Earlier Headlines
 

Meteorites Reveal High Carbon Dioxide Levels on Early Earth

Tiny meteorites no larger than grains of sand hold new clues about the atmosphere on ancient Earth, according to ...

Astronomers Reveal Interstellar Thread of One of Life's Building Blocks

Phosphorus is an essential element for life as we know it. But how it arrived on the early Earth is something of a mystery. Astronomers have now traced the journey of phosphorus from star-forming ...

Meteorite Contains the Oldest Material on Earth: 7-Billion-Year-Old Stardust

Scientists have discovered the oldest solid material on Earth: 7-billion-year-old stardust trapped inside a meteorite. This stardust provides evidence for a 'baby boom' of new stars that ...

Shocked Meteorites Provide Clues to Earth's Lower Mantle

An international team of scientists have completed a complex analysis of a ''shocked meteorite'' and gained new insight into Earth's lower ...

Fireballs: Mail from Space

The analysis of fireball observations in large datasets can be made much quicker with the help of a neat mathematical ...

Earth Was Stressed Before Dinosaur Extinction

By measuring the chemistry of fossilized seashells collected in Antarctica, researchers discovered that Earth was already experiencing carbon cycle instability before the asteroid impact that wiped ...

Extra-Terrestrial Impacts May Have Triggered 'Bursts' of Plate Tectonics

When -- and how -- Earth's surface evolved from a hot, primordial mush into a rocky planet continually resurfaced by plate tectonics remain some of the biggest unanswered questions in earth ...

Wolfe Creek Crater Younger Than Previously Thought

Wolfe Creek Crater, one of the world's largest meteorite craters, is much younger than previously ...

First Evidence of Bio-Essential Sugars in Meteorites

A new study has discovered meteorites containing RNA sugar, ribose, and other bio-important sugars; the first direct evidence of bio-essential sugars' delivery from space to the ...

Did an Extraterrestrial Impact Trigger the Extinction of Ice-Age Animals?

Based on research at White Pond near Elgin, South Carolina, archaeologists present new evidence of a controversial theory that suggests an extraterrestrial body crashing to Earth almost 13,000 years ...

New Study Underpins the Idea of a Sudden Impact Killing Off Dinosaurs and Much of the Other Life

Fossil remains of tiny calcareous algae not only provide information about the end of the dinosaurs, but also show how the oceans recovered after the fatal asteroid ...

Mars Once Had Salt Lakes Similar to Those on Earth

Mars once had salt lakes that are similar to those on Earth and has gone through wet and dry ...

African Evidence Support Younger Dryas Impact Hypothesis

A team of scientists from South Africa has discovered evidence partially supporting a hypothesis that Earth was struck by a meteorite or asteroid 12,800 years ago, leading to global consequences ...

Dust from a Giant Asteroid Crash Caused an Ancient Ice Age

About 466 million years ago, long before the age of the dinosaurs, the Earth froze. The seas began to ice over at the Earth's poles, and new species evolved with the new temperatures. The cause ...

Rocks at Asteroid Impact Site Record First Day of Dinosaur Extinction

The research centers on the asteroid impact that wiped out non-avian dinosaurs, with the researchers getting the most detailed look yet of the aftermath that followed by examining the rocks and ...

Studying Largest Impact Crater in the US, Buried for 35 Million Years

About 35 million years ago, an asteroid hit the ocean off the East Coast of North America. Its impact formed a 25-mile diameter crater that now lies buried beneath the Chesapeake Bay. A team of ...

Near-Earth Asteroid 2006 QV89 Not a Threat for Next Century

Observations of the near-Earth asteroid 2006 QV89 made on August 11, 2019 with the Canada-France-Hawaii Telescope (CFHT) have ruled out any potential future impact threat to the Earth by this ...

Site of Biggest Ever Meteorite Collision in the UK Discovered

Scientists believe they have discovered the site of the biggest meteorite impact ever to hit the British ...

Building Blocks of the Earth

Geologists gain new insights regarding the Earth's composition by analyzing meteorites. They conclude that the building blocks that brought volatile elements to Earth have a chemical composition ...

ESO Contributes to Protecting Earth from Dangerous Asteroids

The unique capabilities of the SPHERE instrument on ESO's Very Large Telescope have enabled it to obtain the sharpest images of a double asteroid as it flew by Earth on May 25. While this double ...

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