NEW: Find great deals on the latest gadgets and more in the ScienceDaily Store!
Near-Earth Object Impacts News
November 21, 2016
Latest Headlines
updated 6:01pm EST
More Near-Earth Object Impacts News
November 21, 2016

Transformations to Granular Zircon Revealed: Meteor Crater, Arizona

July 27, 2016 — Having been reported in lunar samples returned by Apollo astronauts, meteorites, impact glass, and at a number of meteorite craters on Earth, granular zircon is the most unusual and enigmatic type of ... read more

‘Trickle of Food’ Helped Deep Sea Creatures Survive Asteroid Strike That Wiped out the Dinosaurs

Apr. 14, 2016 — New evidence has been provided to explain why deep sea creatures were able to survive the catastrophic asteroid strike that wiped out the dinosaurs 65 million years ... read more

Multiple Cosmic Impacts 790,000 Years Ago

Feb. 22, 2016 — Approximately 790,000 years ago there were multiple cosmic impacts on Earth with global consequences. Geoscientists have reached this conclusion after dating so-called tektites from various parts of ... read more

Puzzling Asteroid Observations Explained by Destruction of Asteroids Close to Sun

Feb. 17, 2016 — For two decades it was thought that most near-Earth objects (NEOs) -- asteroids and comets that may pose a hazard to life on Earth -- end their existence in a dramatic final plunge into the Sun. A ... read more

The Mystery About the Chelyabinsk Superbolide Continues Three Years Later

Feb. 15, 2016 — Hundreds of webcams recorded the historic event: In 2013 February 15, the approach of asteroid (367943) Duende to our planet was being closely monitored by both the public and the scientific ... read more

Giant Comets Could Pose Danger to Life on Earth

Dec. 22, 2015 — The discovery of hundreds of giant comets in the outer planetary system over the last two decades means that these objects pose a much greater hazard to life than asteroids, a team of astronomers ... read more

Geologists Focus on Extraterrestrial Mineral for Clues to Beginning of Biological Life on Earth

Dec. 16, 2015 — New research has found that in Earth's beginning, meteorites striking the planet may have carried within them an extraterrestrial mineral that, as it corroded in water on Earth, could have ... read more

Scientists Find Link Between Comet, Asteroid Showers and Mass Extinctions

Oct. 20, 2015 — For more than 30 years, scientists have argued about a controversial hypothesis relating to periodic mass extinctions and impact craters -- caused by comet and asteroid showers -- on Earth. Now ... read more

Asteroid Impact, Volcanism Were One-Two Punch for Dinosaurs

Oct. 1, 2015 — The debate whether an asteroid impact or volcanic eruptions in India led to the mass extinction 66 million years ago is becoming increasingly irrelevant, as new dates for the eruptions show that the ... read more

A New View of the Content of Earth's Core

Sep. 22, 2015 — There is more oxygen in the core of Earth than originally thought. Geologists have discovered some new findings about Earth's core and mantle by considering their geophysical and geochemical ... read more

Scientists Use Lasers to Simulate Shock Effects of Meteorite Impact on Silica

Sep. 14, 2015 — Scientists used high-power laser beams to simulate the shock effects of a meteorite impact in silica, one of the most abundant materials in the Earth’s crust. They observed, for the first time, its ... read more

Globally Unique Double Crater Identified in Sweden

Sep. 11, 2015 — Researchers have found traces of two major meteorite impacts in Sweden, a twin strike that occurred around 460 million years ago. One is enormous, while the other is a tenth of the size of the first. ... read more

Comet Impacts May Have Led to Life on Earth -- And Perhaps Elsewhere

Aug. 19, 2015 — Comet impact on Earth are synonymous with great extinctions, but now research shows that early comet impact would have become a driving force to cause substantial synthesis of peptides -- the first ... read more

From a Million Miles Away, NASA Camera Shows Moon Crossing Face of Earth

Aug. 5, 2015 — A NASA camera aboard the Deep Space Climate Observatory satellite captured a unique view of the moon as it moved in front of the sunlit side of Earth last month. The series of test images shows the ... read more

Why We Live on Earth and Not Venus

July 21, 2015 — Compared to its celestial neighbors Venus and Mars, Earth is a pretty habitable place. So how did we get so lucky? A new study sheds light on the improbable evolutionary path that enabled Earth to ... read more

340 Undiscovered Meteorite Impact Sites on Earth, Geologists Calculate

June 30, 2015 — Researchers have calculated the number of undiscovered meteorite impact sites on Earth's surface. Geologists say a total of 188 have been confirmed so far, and 340 are still awaiting discovery. ... read more

Monitoring Volcanoes With Ground-Based Atomic Clocks

June 30, 2015 — High-precision atomic clocks can be used to monitor volcanoes and potentially improve predictions of future eruptions, researchers report. In addition, a ground-based network of atomic clocks could ... read more

Huge Underwater Craters Discovered on Floor of Swiss Lake

May 18, 2015 — An unusual and unexpected discovery: on the floor of Lake Neuchatel, geologists have happened upon huge underwater craters -- some of the largest in the world to be found in lakes. They are not ... read more

Did Ocean Acidification from Asteroid Impact That Killed the Dinosaurs Cause Extinction of Marine Molluscs?

May 11, 2015 — New research has questioned the role played by ocean acidification, produced by the asteroid impact that killed the dinosaurs, in the extinction of ammonites and other planktonic calcifiers 66 ... read more

Fresh Evidence for How Water Reached Earth Found in Asteroid Debris

May 7, 2015 — New research strongly suggests that water delivery via asteroids or comets is likely taking place in many other planetary systems, just as it happened on Earth. The quantity of water on Earth is not ... read more
Wednesday, July 27, 2016
Thursday, April 14, 2016
Monday, February 22, 2016
Wednesday, February 17, 2016
Monday, February 15, 2016
Tuesday, December 22, 2015
Wednesday, December 16, 2015
Tuesday, October 20, 2015
Thursday, October 1, 2015
Tuesday, September 22, 2015
Monday, September 14, 2015
Friday, September 11, 2015
Wednesday, August 19, 2015
Wednesday, August 5, 2015
Tuesday, July 21, 2015
Tuesday, June 30, 2015
Monday, May 18, 2015
Monday, May 11, 2015
Thursday, May 7, 2015
Monday, May 4, 2015
Thursday, April 30, 2015
Thursday, April 16, 2015
Monday, April 13, 2015
Monday, March 23, 2015
Monday, March 16, 2015
Monday, March 2, 2015
Thursday, February 19, 2015
Tuesday, February 17, 2015
Friday, January 23, 2015
Thursday, January 22, 2015
Wednesday, January 21, 2015
Tuesday, January 6, 2015
Friday, December 12, 2014
Wednesday, December 10, 2014
Tuesday, December 2, 2014
Thursday, November 13, 2014
Thursday, October 30, 2014
Tuesday, October 28, 2014
Tuesday, October 14, 2014
Monday, September 29, 2014
Monday, September 15, 2014
Wednesday, August 27, 2014
Friday, August 8, 2014
Thursday, July 31, 2014
Wednesday, July 30, 2014
Monday, July 28, 2014
Thursday, July 17, 2014
Tuesday, June 10, 2014
Monday, June 9, 2014
Tuesday, May 27, 2014
Wednesday, May 7, 2014
Thursday, April 24, 2014
Friday, April 18, 2014
Thursday, April 17, 2014
Wednesday, April 16, 2014
Wednesday, April 9, 2014
Tuesday, March 25, 2014
Friday, February 28, 2014
Saturday, February 15, 2014
Monday, January 6, 2014
Monday, December 9, 2013
Thursday, November 21, 2013
Wednesday, November 6, 2013
Friday, November 1, 2013
Tuesday, October 29, 2013
Thursday, October 17, 2013
Wednesday, October 16, 2013
Thursday, October 10, 2013
Tuesday, October 8, 2013
Thursday, September 26, 2013
Monday, September 16, 2013
Thursday, September 12, 2013
Tuesday, September 10, 2013
Monday, September 2, 2013
Wednesday, July 24, 2013
Wednesday, July 17, 2013
Thursday, July 11, 2013
Thursday, June 27, 2013
Tuesday, June 18, 2013
Monday, June 10, 2013
Thursday, June 6, 2013
Wednesday, June 5, 2013
Tuesday, June 4, 2013
Monday, May 20, 2013
Thursday, May 9, 2013
Wednesday, May 1, 2013
Thursday, April 4, 2013
Wednesday, March 27, 2013
Monday, March 25, 2013
Monday, March 18, 2013
Thursday, March 7, 2013
Tuesday, March 5, 2013
Thursday, February 28, 2013