Scientists revisit Canada’s Sudbury crater in light of new evidence from other planets that suggests an alternative postimpact history.
craters
Posted inResearch Spotlights
Studying Martian Rocks Without Leaving Planet Earth
Matching Martian rock formations to those found on Earth can help researchers learn more about the Red Planet.
Posted inNews
Cores from Crater Tied to Dinosaur Demise Validate Impact Theory
Drilling into the famous, deeply buried Chicxulub crater off Mexico, researchers found deformed and porous granite that opens new avenues of research.
Posted inResearch Spotlights
New Insight into Silica Explains Planetary Smashup
A better equation of state for silica will help planetary scientists accurately constrain the giant impacts that have shaped our solar system.
Posted inScience Updates
Probing the History of New Zealand's Orakei Maar
A team of scientists drilled into the bed within a northern New Zealand explosion crater lake to gain insights into volcanic hazards and past climates.
Posted inNews
Tsunamis Splashed Ancient Mars
Massive meteorites likely slammed into a Martian ocean billions of years ago, unleashing tsunami waves up to 120 meters tall, a close study of a region of the Red Planet's terrain has found.
Posted inNews
Impacts Might Have Made Ancient Mars Briefly Hospitable to Life
A bombardment of the Red Planet 4 billion years ago could have created hot springs that allowed life to flourish.
Posted inResearch Spotlights
Objects That Slam into Ceres Remain on Its Surface
Hypervelocity impact experiments shed new light on the composition and evolution of the largest dwarf planet's little-known surface.
Posted inResearch Spotlights
Can Meteorite Impacts Disturb a Planet's Magnetic Field?
Such disturbances probably do not occur on our own planet, but evidence for them might still exist elsewhere in the solar system.
Posted inResearch Spotlights
Subsurface Craters Expose the Moon's Dramatic Past
Scientists use the gravity signature of the lunar surface to trace the history of impact cratering and its role in the Moon's evolution.