Image: Hubble spots a merging galactic gem

This NASA/ESA Hubble Space Telescope observation has captured the galaxy CGCG 396-2, an unusual multi-armed galaxy merger which lies around 520 million light-years from Earth in the constellation Orion.

'Spot the difference' to help reveal Rosetta image secrets

Today, ESA and the Zooniverse launch Rosetta Zoo, a citizen science project that invites volunteers to engage in a cosmic game of "spot the difference." By browsing through pictures collected by ESA's Rosetta mission, you ...

Measuring costs and benefits of citizen science

It's never been easy to accurately measure the impact of any scientific research, but it's even harder for citizen science projects, which don't follow traditional methods. Public involvement places citizen science in a new ...

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