Satellites beaming sunlight down to Earth sound like science fiction – and they have astronomers very worried.

The startup Reflect Orbital aims to keep solar farms running at night by reflecting sunlight from space and has sparked ...

WEST LAFAYETTE, Ind. — New results from OSIRIS-REx, NASA’s first asteroid sample return mission, reveals why some gray asteroids reflect light at different wavelengths, like red or blue, more strongly ...

For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar system. Now, a team of researchers have taken a completely different approach to ...

What new methods can be employed to help astronomers distinguish the light from an exoplanet and its host star so the former's atmosphere can be better explored? This is what a recent study accepted ...