Infographic: How not to lose a spacecraft

ESA's ultra-precise deep-space navigation technique – Delta-DOR – tells us where spacecraft are, accurate to within a few hundred metres, even at a distance of 100,000,000 km.

More new species in geologically dynamic region

Mountain formation stimulates increased biodiversity. This is what Carina Hoorn of the University of Amsterdam (UvA) and colleagues from the Senckenberg (Germany) and Gothenburg Botanical Garden (Sweden) propose in a Correspondence ...

Researchers study threats to white sturgeon

University of Georgia researchers are working to understand why the nation's largest freshwater fish, the white sturgeon, is struggling in northern California's Sacramento-San Joaquin Bay Delta, an environmentally endangered ...

Cities on front line of climate change

The world's cities face the brunt of climate change but some are starting to respond vigorously to the threat, experts say at a conference here staged ahead of the June Rio summit.

page 21 from 32