Should we prepare for alien invasion? The interstellar object 3I/ATLAS is travelling through our solar system on a hyperbolic path. Scientists observe its odd behaviour, debate its origin and monitor ...
Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...
An interstellar comet that originated outside our solar system just made its closest pass of the sun, setting it on an outgoing path — but it’s not leaving our cosmic ...
The comet 3I/ATLAS, discovered on July 1, 2025, by the Asteroid Terrestrial-impact Last Alert System (ATLAS) in Hawaii, marks ...
For nearly five decades, NASA’s Voyager 1 and 2 spacecraft have ventured farther than any other human-made object, pushing ...