An object spotted with help of citizen scientists was moving so fast through the Milky Way that it could escape the gravity of the galaxy and reach intergalactic space, new research has found. Likely ...

Amateur astronomers have spotted a mysterious celestial object that’s traveling at a mind-boggling speed of one million miles per hour. In fact, it’s moving so fast that it’s projected to leave behind ...

NASA is tracking a mysterious, fast-moving object entering our solar system, raising questions about whether it's just a comet — or possibly something more advanced. The object, known as 3I-ATLAS, was ...

When you were five, you probably spotted your best friend running at “a million miles an hour” when they beat everybody at the local athletics meet. You probably haven’t seen anything that fast snice.

The familiar script of planetary defence has been torn up. For decades, the globe's foremost space agencies operated under ...