Should we go to Mars or back to the moon?

When humans finally blast off for another world, where will we be going? Will we return to the moon, and take over where the Apollo astronauts left off, or will we press onto Mars, and set foot on a whole new planet?

Image: Understanding the atmosphere of Venus

On 9 November 2005, 10 years ago today, ESA's Venus Express spacecraft left Earth and began its 153-day journey to Venus. The craft then spent eight years studying the planet in detail before the mission came to an end in ...

Did ocean acidification cause marine mollusc extinction?

New research, led by the University of Southampton, has questioned the role played by ocean acidification, produced by the asteroid impact that killed the dinosaurs, in the extinction of ammonites and other planktonic calcifiers ...

New reagents selected for nickel extraction

More nickel can be produced more efficiently from Australia's low-grade laterite ores if the metal is directly extracted after leaching with nitric acid, research suggests.

Better air quality in harbours thanks to EU policies

Levels of sulphur dioxide in ports of the EU have been reduced by 66% as a result of European policies aimed to improve the quality of the air we breathe. Sulphur dioxide is a serious air pollutant that causes acid rain and ...

Venus holds warning for Earth

(PhysOrg.com) -- A mysterious high-altitude layer of sulphur dioxide discovered by ESA's Venus Express has been explained. As well as telling us more about Venus, it could be a warning against injecting our atmosphere with ...

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