Anyone who studies planetary formation would relish the opportunity to get a close-up look at an interstellar object. Sending a mission to one would undoubtedly yield a scientific payoff. There's a ...

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...

Harvard astronomer Avi Loeb currently says there is a 30-40 percent chance the object is not natural in origin.