The space station at 15 years

Lewis Smith|Published

The International Space Station is the largest human-made object in space

Nasa: we'll find alien life in a decade

Lewis Smith|Published

Signs of alien life will be discovered within a decade, Nasa's chief scientist has forecast.

How scientists found tombs from space

Lewis Smith|Published

Infra-red satellite images taken above Egypt have revealed 17 lost pyramids and more than 1,000 tombs.

Environmentalists warn cuts may kill habitats

Lewis Smith|Published

The Shropshire Wildlife Trust is determined to save Catherton common in England from a damaging decline.