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Organisation says objects consistent with 'debris from a foreign rocket body that recently re-entered the atmosphere'

Cluster might look like a mini version of the Plough unless you grab your binoculars ...

Study finds those who speak two languages have brains that appear around six years younger than those who speak one ...

Editorial: Polling shows that the public supports this new technology, but the conversation must move beyond simple questions of safety ...

Humans have long sought to geoengineer the Earth's environment. Tim Flannery outlines a few of the wildest ideas from the 20th century ...

Finding that Norfolk butterfly has been distinct subspecies for 200,000 years could transform conservation approach ...

Australian Space Agency working to confirm origin of objects as space archaeologist says they may be connected to a rocket launch ...

As this year's invertebrate of the year competition launches, we join scientists studying last year's winner ...

Study suggests even light activity such as ironing could reduce health risks linked to prolonged sedentary behaviour ...

Success of statins and blood-pressure drugs hailed as researchers find some people with obesity were 'better off'