An interstellar object roughly the size of Manhattan has captured scientists’ attention — and one prominent Harvard astrophysicist believes it could be something far beyond natural. According to the ...

An alien expert believes that aliens could be 'revving the engine' of an infamous interstellar object that could be heading our way in what he describes as "non-gravitational acceleration". Harvard ...

The United States is treating a strange visitor from deep space as both a scientific windfall and a potential national security puzzle. While NASA refines its measurements of the interstellar object ...