Get the latest Science News and Discoveries

Close Brush With 'Cosmic Dog' May Still Be Seen at Solar System's Edge

About 4.5 million years ago, a great cosmic dog kicked past our Solar System – and its effects may still be seen today.

None

Related news:

I watched scientists track interstellar comet 3I/ATLAS leaving the solar system in real-time: 'This is some prime-time science'

Close brush with two hot stars millions of years ago left a mark just beyond our solar system - EurekAlert!

Icy moons in our solar system may have boiling oceans — but life could potentially still survive