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

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 ...

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