The best science and technology pictures of the week

The most impressive pictures from the worlds of science and technology this week, from a water-bombing helicopter to a desperate whale rescue.
More galleriesFuturistic dancers and swirling stars

Sci-fi balloons and hungry whales


Roaring rockets and an Earth selfie

Chinese lightning and rocking robots


Blazing skies and moody twisters


Plane trails and tadpole stars

Volcanic plumes and home-made tanks








