US & Canadian Flights By This Long-Haul Airline Are Stopping In Europe To Refuel

They are for tech stop reasons only. No traffic rights exist.

Seeing the Cygnus Loop in a New Way

The Cygnus Loop, also known as the Veil Nebula, is a supernova remnant – the remains of the explosive death of a massive star. Studying images like these leads to discovery, but NASA’s Chandra X-ray Observatory provides another way to experience this data: three-dimensional (3D) models that allow people to explore – and print – […]