Sentinel 1 satellite spreads its wings

When Sentinel-1 is placed in orbit around Earth in a few weeks, it has to perform a complicated dance routine to unfold its large solar wings and radar antenna. Engineers have recently been making sure the moves are well rehearsed.

First private deep space mission will hunt killer asteroids

A group of ex-NASA astronauts and scientists is aiming to keep the world safe by launching the first privately-funded deep space mission and scanning the solar system for dangerous asteroids.

Envisat spacecraft loses contact with Earth

The European Space Agency (ESA) has lost contact with Envisat, its flagship Earth-observing satellite.

Shipping at risk from GPS jamming

GPS jammers are threatening shipping, a conference in the UK has been warned.

Google and UN to monitor Sudan referendum via satellite

A pressure group founded by George Clooney has teamed up with the UN, Harvard University and Google to use satellite images to try and monitor next month's referendum in Sudan.