Movies like The Martian and The Truman Show are perfect reinterpretations of sci-fi that will appeal to those who don't ...

The mysterious interstellar object has sparked curiosity among experts and space enthusiasts alike because, unlike most ...

Boeing's Starliner spacecraft will only fly cargo to the International Space Station after NASA changed the contract with ...

If we find technological satellites of Jupiter that we did not send, it would imply that Jupiter is of interest to an ...

European astronomers report the discovery of a second alien world in the TOI-1422 planetary system located some 500 light ...

The arrival of 31/ATLAS, an extraordinary Interstellar Visitor, has ignited waves of online speculation and conspiracy ...

NASA unveiled close-up pictures on Wednesday of the interstellar comet that’s making a quick one-and-done tour of the solar ...

New police logs contradict an official UFO dismissal after a U.K. helicopter crew reported an emergency dive to avoid a ...

Earlier this week, NASA officials released long-delayed images of interstellar visitor 3I/ATLAS.

Rumors of its biological origins have been greatly exaggerated, but comet 3I/ATLAS is still very worth paying attention to.

Harvard astronomer Avi Loeb criticized NASA for repeating the "official mantra that 3I/ATLAS is a natural comet." ...

Spectroscopy of other stars has led to most discoveries of exocomet systems. In research led by University of Colorado ...