Spacetech startup Pixxel has commissioned three Firefly satellites and released high-resolution hyperspectral images today ...

Have you ever heard of—or even seen—red lightning? These are not animated characters but real atmospheric phenomena known as electrical discharges that occur high above thunderstorms. Scientists refer ...

Observers fear the move has compromised evidence of war crimes by Russian officials and will hinder efforts to rescue ...

New research by the Atacama Cosmology Telescope (ACT) collaboration has produced the clearest images yet of the universe's ...