Tropical Storm Erika has hit the Caribbean island of Dominica, with the devastation setting it back 20 years, its prime minister says.
A team of Nasa recruits begins living near an extinct volcano in Hawaii to mimic what life would be like on Mars.
Footage of the Aurora Borealis, or Northern Lights, filmed over Iceland on Thursday.
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Newsround viewers went to interview the Church of England's first female bishop, Libby Lane.
It's thought more than 600 child migrants arrived in the UK unaccompanied last month.
What to do if you are upset by the news - advice for kids.
Newsround often makes special films about important things in kids' lives. You can watch all our special programmes online.