Europe’s new age of satellite navigation has passed a historic milestone – the very first determination of a ground location using the four Galileo satellites currently in orbit together with their ...

Two new biographies differ over the astronomer’s view of the relationship between science and faith. A right thumb, a finger, a tooth. These were the contents of a reliquary acquired several years ago ...

Conjectural history -- The mind's eye. His father's son ; Florence ; Galileo's lamp ; Eureka! ; Seeing is believing ; A friend in need ; Juvenilia ; The Leaning Tower ; Inertia ; Nudism -- The watcher ...