Evidence suggests Earth had a ring system 466 million years ago, causing a surge in meteorite impacts and possibly ...
To reach that surprisingly conclusion, scientists studied the positions of 21 asteroid impact craters during the Ordovician ...
The Earth: a ringed planet, much like Saturn, surrounded by a hula hoop of asteroids. The summit of Mount Everest: a tropical ...
Did Earth once look a lot more like Saturn? Scientists believe the answer is yes! In a groundbreaking study, researchers in ...
This era of intense bombardment, known as the Ordovician impact spike, may have resulted from meteorites falling from the ring rather than flying in from space, which would explain the strange ...
The hypothetical ring didn't last long, cosmically speaking – just a few tens of millions of years. But that was long enough ...
New research challenges what we know of our planet’s ancient past, suggesting that a ring formed around the Earth around 466 ...
A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...