Short-lived light sources discovered in the sky

A project lead by an international team of researchers use publicly available data with images of the sky dating as far back as the 1950s to try to detect and analyse objects that have disappeared over time. In the project ...

Steve over the picket fence

Strange ribbons of purple light that appeared in the sky—known as Steve—became the subject of debate in 2017, as their origins were unbeknown to scientists. Now, photographs of this remarkable phenomena have been studied ...

Citizen science for sustainable development

Monitoring progress on the UN Sustainable Development Goals requires a huge amount of data. Citizen science could help fill important data gaps, say IIASA researchers.

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