KEY OBSERVATIONS The first alert came quietly. The data did not look wrong—just unfamiliar. What followed has forced ...

A faint interstellar object detected in July 2025 has quietly reshaped how scientists and security planners view threats from ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An object spotted ...

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.

When an object in space appears to be racing at nineteen times the speed of sound, it instantly jumps from routine data point to global headline. The claim that NASA tracked such a hyperfast visitor ...

Astronomy news always seems to break over coffee, on laptop startup. That was the case on Wednesday morning, when word of a curious new object started flashing across the message boards. The object in ...

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 ...

The sighting of a bright red sphere racing out of our galaxy at extreme speed has handed NASA one of its strangest puzzles in years. The object’s color, shape, and apparent velocity combine into a ...

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 ...