A rare cosmic event is set to light up the night sky this week and Brits are in a great place to catch a glimpse of the spectacle. Mercury, Venus, Mars, Saturn, Jupiter, Uranus and Neptune are ...

The sky is blue because the molecules ... The photons here range from infrared radiations to x-rays—well beyond the range of visible light. Hart marvels that for so much human history we ...

(One particular cosmic ray, detected in 1991 and nicknamed the “Oh-My-God particle,” was going very nearly the speed of light when it smacked into a detector in Utah.) That there are “hot spots” of ...

The image shows a patch of the sky, approximately 25 square degrees in area ... Gas orbiting around black holes is very hot ...

A rare blood moon will light up the sky on the night of March 13 into the early hours of March 14. Here’s what you need to know about how to catch it.