If an asteroid struck Earth, which of its effects—scorching heat, flying debris, towering tsunamis—would claim the most lives? A new study has the answer: violent winds and shock waves are the most dangerous effects produced ...
Earth Sciences
Apr 19, 2017
0
240
What would we do if we discovered a large asteroid on course to impact Earth? While highly unlikely, that was the high-consequence scenario discussed by attendees at an Oct. 25 NASA-FEMA tabletop exercise in El Segundo, California.
Space Exploration
Nov 7, 2016
0
71
Around 3.8 billion years ago, an asteroid more than 150 miles across, roughly equal to the length of New Jersey, slammed into the Moon and created the Imbrium Basin—the right eye of the fabled Man in the Moon. This new ...
Space Exploration
Jul 20, 2016
8
452
A new reconstruction of Antarctic ocean temperatures around the time the dinosaurs disappeared 66 million years ago supports the idea that one of the planet's biggest mass extinctions was due to the combined effects of volcanic ...
Earth Sciences
Jul 5, 2016
6
356
The Cretaceous–Paleogene mass extinction 66m years ago was the most recent of five similar crises to have devastated life on Earth over the last 540m years. It rapidly killed off an estimated 76% of species around the globe, ...
Earth Sciences
Jun 2, 2016
0
387
A study of more than 6,000 marine fossils from the Antarctic shows that the mass extinction event that killed the dinosaurs was sudden and just as deadly to life in the polar regions.
Paleontology & Fossils
May 26, 2016
7
150
Scientists have found evidence of a huge asteroid that struck the Earth early in its life with an impact larger than anything humans have experienced.
Earth Sciences
May 16, 2016
4
955
In this new article for Geology, Gavin Kenny and colleagues reveal the likely origin of Earth's oldest crystals. New research into the origin of Earth's oldest crystals suggests that they probably formed in huge impact craters ...
Earth Sciences
May 5, 2016
0
20
A team of scientists recently set off to drill a 1,500m-deep hole into the seabed off the coast of Mexico. Their goal is to learn more about the asteroid impact some 66m years ago that many scientists believe killed the dinosaurs. ...
Earth Sciences
Apr 14, 2016
0
44
Asteroids headed for a collision with the Earth, if found early enough, can be acted upon to prevent the potentially devastating consequences of an impact. One technique to divert an asteroid, called kinetic impact, uses ...
Space Exploration
Feb 17, 2016
25
99
