Investigative journalist Jeremy Corbell discussed newly released military footage of a disc-shaped unidentified flying object ...

New images from ESA's Biomass satellite reveal forests, volcanoes, deserts and glaciers in striking detail, hinting at what's still to come.

is still used by scientists to map objects in the sky. Hipparchus’s star catalog is the oldest known attempt to document the positions of as many objects in the night sky as possible ...

To make a truly realistic fake picture of a galaxy, you can model exactly how light particles travel through the atmosphere ...

Galaxies shine in a rainbow of emissions from gas, dust, and stars. Each of these building blocks emits light at specific ...

The Vera Rubin Observatory is expected to discover 20 billion new galaxies over the next decade. This image shows another ...