In July 2025, astronomers detected the third known interstellar object ever observed passing through our solar system—an ancient, carbon-dioxide–rich comet traveling at extraordinary speed. Named 3I ...

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

A new study outlines a potential mission to intercept interstellar comet 3I/ATLAS, but the journey could take decades due to ...

It's actually the most 'efficient' way to do so, a scientist told Metro.

Two research papers propose extreme gravitational slingshot trajectories that could fling a spacecraft onto a path to catch ...

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...