21 August 2014
Scientists determine the comet being followed by Europe's Rosetta spacecraft to have a mass of 10 billion tonnes.
An eruption near Iceland's Bardarbunga volcano that briefly threatened air travel has ended, local officials say.
Scientists have finally worked out how rocks on a dry lake bed in California move across the ground.
A study of genetic sequences sheds light on the settling of the North American Arctic, from ancient "Paleo-Eskimos" to the modern-day Inuit.
Five hundred people will learn tomorrow if they have won the chance to vent their frustration at world leaders over the global citizens stalemate over climate policy.
Scientists have tracked the spread of Ebola in West Africa, revealing genetic clues to the course of the outbreak.
30 July 2014
Species that have both positive and negative impacts on their environment are giving new insights into how to save those under threat.
7 August 2014
How do you land on a comet? That's problem facing the people running Esa's Rosetta mission after the successful rendezvous with Comet 67P/Churyumov-Gerasimenko.
Animal nightlife - and other great natural images from ecology photo contest
The model-making summer school teaching local children to be young engineers
New atlas catalogues 9,000 Southern Ocean species
Could unused TV signal improve rural broadband?
Why so many of us are developing allergies
Warning over electrical brain stimulation
Measuring and tackling an invisible killer
Using virtual reality to 'go back in time'
Sri Lanka tree barrier could prevent conflict
What pinpointing positions on the planet could mean for you
An ecosystem thrives in the freezing Antarctic underbelly
Which is the best eco option - eating beef, chicken or mussels?
How Ebola crisis has affected West Africa's economies
UK man keeps eye on dangerous asteroids
Make the key decisions in this interactive episode of Our World War
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