Millions of Greeks are voting in a crucial vote on whether to accept the terms of a huge money deal offered by a group of international countries.
Minecon, the huge event for fans of the video game Minecraft, takes place in London this weekend. Nearly 10,000 people from around the world are expected to attend.
England beat Germany with a penalty in extra-time to claim the bronze medal at the Women's World Cup in Canada.
Martin has Sunday's top stories.
Eve Hazelton decided to give up all of her clothes and wear only fancy dress for a year to help raise money for charity.
Britain's Andy Murray overcomes a shoulder problem to beat Italy's Andreas Seppi in the third round of Wimbledon.
There's one job that's being done extremely well at this year's Wimbledon that no-one really gets to see. Ayshah's been to meet a special worker at Wimbledon.
Zoos across Europe are feeding their animals frozen treats to keep them cool and hydrated during the current heatwave.
Solar Impulse, the aeroplane that is powered only by the sun, lands in Hawaii after making a historic 8,000km flight across the Pacific Ocean from Japan.
A Russian Soyuz space rocket, bound for the International Space Station, has launched successfully from Baikonur Cosmodrome in Kazakhstan.