Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

Hypervelocity stars have, since the 1920s, been an important tool that allows astronomers to study the properties of the ...

While surveying distant worlds beyond our solar system, researchers unexpectedly obtained the first direct images showing ...

Engineers have found a way to shepherd microrobots with no wires, no radios, and no onboard computers. Instead, they steer them with light patterns designed using the same math physicists use to ...

When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ...

Discover the science behind seeing your reflection in water. Light travels in straight lines and bounces off smooth surfaces, ...