- Nasa Mars 2020 Mission's MiMi Aung on women in space
At 16, MiMi Aung travelled alone to the US for an education. Now she's a project lead on Nasa's Mars mission.
- Is the Trump campaign spending $1m a week on ads?
Elizabeth Warren made the claim and accused Facebook of taking cash, "no questions asked".
- US black school aide fired for rebuking boy's use of n-word
A school guard was fired for using a racial slur while telling a student not to use the same word.
- Turkey Syria offensive: Mitch McConnell attacks Trump
Republican Mitch McConnell calls Turkey's Syria offensive and the US troop withdrawal a "nightmare".
- Hillary Clinton: Russia 'grooming' Democratic candidate
Hawaii congresswoman Tulsi Gabbard accuses Mrs Clinton of a campaign to "destroy my reputation".
- US astronauts complete first all-women spacewalk
Nasa astronauts Christina Koch and Jessica Meir spent over seven hours outside the ISS.
- 'A stray baseball cracked my skull'
Fans have been left permanently disabled or even killed by rogue baseballs. So what's to be done?
- Canada election: Your questions answered
We answer a sample of readers' questions about Canada's federal election.
- Nasa astronauts Christina Koch and Jessica Meir in all-women spacewalk
Two female astronauts made history as they replaced a power unit on the International Space Station.
- Rick Perry: US energy secretary quits amid Trump inquiry
President Donald Trump confirms the former Texas governor will depart his administration.
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