Interstellar comet 3I/ATLAS has turned into one of the strangest visitors in the recent history of the solar system, ...

Add Yahoo as a preferred source to see more of our stories on Google. Earlier this month astronomers were thrilled to discover only the third known interstellar object ever seen in our solar system.

When some scientists and conspiracy theorists saw the strange trajectory of the space object 3I/ATLAS, some of them thought one thing: aliens. With a bizarre shape, an unusually precise trajectory, ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Hubble telescope shows the comet as a small, bright object in the center of a blue space ...