asteroid, dinosaur and mega ripples

The six-mile-wide asteroid punched a one-way ticket toward extinction for all non-avian dinosaurs. Some 66 million years ...
Buried "megaripples" — some the size of five-story buildings — are helping scientists piece together the devastation ...
Seismic data reveals megaripples in Louisiana, formed by the Chicxulub asteroid’s tsunami 66 million years ago.
Once the new measurements were taken and the math was done, the probability of YR4 hitting the Earth began to decline, ...
Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...
New simulations reveal that the climate, atmospheric chemistry and even global photosynthesis would be dramatically disrupted by an asteroid collision ...
February, headlines around the world buzzed about the potential for an asteroid to hit the Earth in 2023—specifically, ...
THE world’s oldest-known crater from an asteroid smash 3.5 billion years ago has been discovered in the Australian outback.