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The long-awaited British report into the invasion of Iraq in 2003 is due to be published on Wednesday. Its chairman, John Chilcot, says he hopes it will ensure that military intervention onsuch a scale will not be possible in future without more careful analysis and political judgement. The inquiry has taken seven years to reach its conclusions.

2015 was the most dangerous year on record for people around the world trying to protect their land and the environment. That's the conclusion of a new report from the campaign group Global Witness. It says Brazil was particularly badly affected with at least 50 people killed protecting forests and land from illegal loggers and miners.

After a five-year space journey, NASA's Juno probe has arrived at its destination. No previous spacecraft has passed so close to Jupiter before because of its intense radiation. Now that it's orbiting Jupiter, Juno will start studying how the gas giant was formed. The probe will circle the planet for 20 months before destroying itself by diving into the radioactive atmosphere.