Earth marks close encounter with enormous asteroid

An asteroid estimated to be the size of three football fields whizzed close to Earth on Monday, roughly a year after one exploded over Russia and injured 1,200 people.

New app allows iPad users to click personal photos of space objects

A new iPad app has been developed, which allows people to click telescope images of celestial objects from the comfort of their couch.

Asteroid Apophis to whiz past Earth tonight

Apophis, an asteroid with an estimated diameter of almost three football fields (270m), will make its close approach to Earth this week.