The Union Jack is one of the most recognized flags in the world. The national flag of the United Kingdom and also known as ...

Q: If the gravity of a black hole is so strong that nothing can escape from it, not even light, how has the Hubble Space Telescope recorded images of gas jets ejected from black holes?

Town planners call them “woody ... A sodium-vapor street light gives a boundary hedge a red glow in Craigleith, Edinburgh. Kieran Dodds The Great British Hedge is thought to have its origins ...