A cosmic visitor is stirring up an earthly debate. A Harvard University astrophysicist has suggested the incoming ...

Mankind must decide how it’s going to deal with contact with extraterrestrials — and time could be running out, one expert warned — after he sounded the alarm that an incoming ...

Interstellar comet 3I/ATLAS shines in the sharpest view yet captured by the Hubble Space Telescope, helping astronomers ...

NASA and the European Space Agency recently shared remarkable new images of the interstellar comet 3I/ATLAS, which was ...

A meteorite that crashed into a Georgia home in June is older than the Earth itself, according to scientists who are studying the space rock. Onlookers in the Southeast were stunned when a fireball ...

NASA’s Hubble Space Telescope has captured its most detailed image yet of interstellar comet 3I/ATLAS. The rare comet is ...

Is it an alien spaceship or an ancient comet? That’s the question puzzling UFO enthusiasts, NASA, and the European Space ...

Harvard astronomer Avi Loeb called on NASA to send its Juno probe after interstellar object 3I/ATLAS. This Congressperson ...

NASA spotted something that will arrive on Earth in the next couple of months. It won't destroy it - but if this was the goal ...

A Harvard scientist who claims that an object hurtling through space may not be a comet but in fact an alien probe has said it 'may come to save us or destroy us'.

Harvard astronomy department chair Dr. Avi Loeb has suggested that a recently discovered, Manhattan-sized interstellar object ...

A senior Harvard astronomer has reignited speculation about the origins of a vast interstellar object hurtling through the ...