A newly discovered interstellar object is racing toward our solar system, capturing the attention of scientists worldwide.

The James Webb Space Telescope was built to peer into the distant universe, yet it’s also capable of tracking moving objects ...

DARC is designed to track multiple small moving objects in geosynchronous orbit — all around the globe, 24 hours a day.

Astronomers have discovered a rare quadruple star system with two red dwarfs and two brown dwarfs orbiting together.

A mysterious interstellar comet named 3I/ATLAS is hurtling toward our solar system — and it's unlike anything we've seen ...

“These mysterious objects are candidate galaxies in the early universe, meaning they could be very early galaxies,” said ...

Loeb is not dismissing the comet theory, but he argues the odds of something unusual are higher than most assume. On his ...

Einstein’s special theory of relativity governs our understanding of both the flow of time and the speed at which objects can move. In special relativity, the speed of light is the ultimate speed ...

A mystery object spotted in Space could be an alien spacecraft, researchers have claimed (Image: K Ly/Deep Random Survey / SWNS) One of the authors of the paper, which is not yet peer-reviewed, is ...