Scientists estimate the object to be more than 12-miles-wide, speeding at 37 miles-per-second, relative to the sun.

Stephen Colbert Puts on JD Vance Mask and Says ‘Netflix, Call Me' After CBS Cancels ‘The Late Show': ‘I'm Available in June' ...

The human imagination and curiosity about the stars have led us to explore the stars. While humanity has looked to the stars with many questions, the question of life on other planets captivates us ...

Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" ...

I/ATLAS is just the third recorded interstellar object to enter the solar system. However, the scientific consensus is that ...

The strange 3I/ATLAS comet that was recently discovered to be speeding through our solar system could actually be the work of ...

"The consequences, should the hypothesis turn out to be correct, could potentially be dire for humanity," said Avi Loeb.

A controversial new paper questions whether the interstellar object 3I/ATLAS is a potentially dangerous alien probe, similar ...

Though SETI scientists believe aliens would likely use similar technology as we do on Earth, that assumption poses a fundamental, possibly insurmountable, challenge to their search: Our own ...

CAMBRIDGE (CBS) -- A Harvard University professor is making the case that we are likely not alone in the universe. Astronomer Avi Loeb's new book "Extraterrestrial" examines the 2017 flyby of a ...

A top scientist is plotting a mission to find what he believes is alien technology lying at the bottom of the Pacific Ocean. Controversial astrophysicist Avi Loeb believes an interstellar object ...