Asteroid Passed By Earth Dangerously Close

Asteroids the size of cars aren’t dangerous enough to produce another species extinction, indeed, but you still wouldn’t want them anywhere near your backyard. The moniker ‘2021 GW4’ may not say much to you, but for astronomers, it’s the name…
NASA Spots a Comet in Unexpected Place

Judging by the size of the Oort cloud and the number of long-period comets that were seen until now, scientists estimate that there should be around one trillion comets in the Solar System. Therefore, we shouldn’t be too surprised when…