A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...
Saturn is a planet widely recognisable for its iconic rings but a new study suggests Earth may also have had a similar ring system over 50 million years ago. As part of the research, 21 asteroid ...
A powerful solar storm slammed into Earth on Sept. 18 and 19 ... meteorologist and hobby nature photographer captured these stunning aurora images from eastern Estonia, close to Liigvalla and ...