Have you seen chains of lights streaking through the sky? While an interesting site to see, they aren’t, in fact, aliens.

Professor of Astrophysics at The University of Manchester. “The first is the sheer amount of artificial light. It is never really dark and that makes it impossible to see fainter stars from ...

The auroras are a natural light display in Earth's sky that are famously best seen in high-latitude regions of the Northern and Southern hemispheres. As auroras form, Earth's magnetic field ...