Learn more about the number of satellites circling Earth and the multiple ways they are changing the sky.

Earth’s orbit is getting crowded, and scientists are warning that space may soon become too risky to manage safely. A new study published in Acta Astronautica takes on a question that could define the ...

The U.S. Space Force could double in size within the next decade as the Pentagon increasingly treats space as a contested military domain rather than a supporting utility, according to the service’s ...

The idea sounds simple enough when reduced to its basics. Put reflective surfaces in orbit and redirect sunlight back to Earth after sunset. A Califor.