Ethereal travel photos of southern Africa

Longtime environmentalist Yann Arthus-Bertrand snaps the Earth from above

Signals from mobile phones may be partly to blame for mysterious decline of bee populations around the world

A painterly perspective of sandy terrain

Step up your cloud identification game.

Every blowout preventer may have the same problem. Gulp.

Fish eat plastic, you eat plastic.

Environment minister calls for checks on development.