longlost

This long-lost asteroid impact was so big its debris left more than 30 craters

by

Ricochet from a meteorite impact on Earth created a huge ‘field’ of craters that so far, we have only seen examples of on other planets. The unique site in southeast Wyoming has more than 30 craters that were formed about 280 million years ago, researchers said in a new study. The craters were created after … Read more

Astronomers spot remains of long-lost galaxy eaten by the Milky Way

by

The Milky Way galaxy feasted on more galaxies in its early days than astronomers thought. The Gaia spacecraft uncovered the remains of an ancient cosmic collision in our Milky Way, revealing a previously unknown galaxy, now nicknamed “Pontus,” absorbed by the Milky Way long before our galaxy looked the way it does now. Pontus was … Read more