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BepiColombo: Europe's mission to Mercury returns first pictures

Europe's BepiColombo mission has returned its first pictures of Mercury, the Solar System's innermost planet.

The probe took the images shortly after it zipped over the little world at an altitude of just 200km (125 miles).

Controllers have planned a further five such flybys, each time using the gravitational tug of Mercury to help control the speed of the spacecraft.

Climate change: World now sees twice as many days over 50C

The number of extremely hot days every year when the temperature reaches 50C has doubled since the 1980s, a global BBC analysis has found.

Watch the global animation and chart.

Pakistan: How to cool Karachi as temperatures rise

With 2021 set to be one of the hottest years recorded on earth, some big cities are struggling with rising temperatures. This can cause respiratory problems, exhaustion and heat strokes.

But in Pakistan, whilst some struggle with air conditioning, one man is trying to find a solution by planting urban forests.

Event

Media

• Redgrave wins fifth Olympic gold. British rower Steve Redgrave makes Olympic history at the Sydney Games by winning his fifth consecutive gold medal.

• 1970 Soviet probe collects moon rock. The Russian space probe, Luna 16, is the first to land on the Moon and collect rock samples to bring back to Earth.

• 1945 President Harry Truman accepts U.S. Secretary of War’s  recommendation to designate the war World War II.
• The video opposite shows President Harry Truman confirming the end of WWII in 1945