The comet thought to be responsible for the Younger ... This "crème de la crème" of cosmic impact evidence is present in impact craters, however linking shocked quartz to cosmic airbursts ...

New evidence supports the hypothesis that a fragmented comet triggered a dramatic climate change 12,800 years ago, with ...

The scientific debate about whether a comet or an asteroid hit the earth ... method that uses ruthenium isotopes to determine impact craters, according to an article in the journal Science ...

This 150-kilometer-wide crater lies just off the Yucatan peninsula ... could only have been caused by a massive asteroid or comet impact. The pattern is prevalent in quartz found at or near ...

The images include two significant impact craters: Vivaldi, named after the famous Italian ... created by large asteroid or ...

Scientists have found an extraordinary snapshot of the fallout from the asteroid impact that wiped out the dinosaurs 66 million years ago. Excavations in North Dakota reveal fossils of fish and ...

The impact sparked wildfires that stretched ... similarly suggested in 2013 that a high-speed comet could have created the Chicxulub crater. Chicxulub hit Earth at a speed of 12 miles per second ...

Asteroid hunter Jacqueline Fazekas started the evening of Sept. 4, 2024, much like she spends half of every lunar month: ...

When NASA's Double Asteroid Redirection Test (DART) spacecraft collided with an asteroid moon called Dimorphos in 2022, the moon was significantly deformed—creating a large crater and reshaping ...

This 150-kilometer-wide crater lies just off the Yucatan peninsula ... could only have been caused by a massive asteroid or comet impact. The pattern is prevalent in quartz found at or near ...