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 ...

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 ...

Using ultra-fast laser pulses and special cameras, scientists have simulated an optical illusion that appears to defy Einstein's theory of special relativity. One consequence of special relativity is ...

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

The Haleakala Observatory, left, houses one telescope for the ATLAS system. That system first spotted the object 3I/ATLAS, which isn't visible in this image. AP Photo/Lindsey Wasson All of our ...

Astronomers analyzing the interstellar object known as 3I/ATLAS say new trajectory and composition data point to an origin deep within the Milky Way's central region, an environment marked by intense ...