Renewed excavation of Wyoming's Natural Trap Cave promises to be a boon for scientists, armed with a capability for ancient DNA sequencing not available in 1984, the last time the cave was open to exploration.
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Participants warm up before The Sumo Run in Battersea Park, London, Sunday. The runners, wearing inflatable costumes, take part in the 5km run with the aim of raising money for a charity to help educate children in Africa.
Alexander Gerst, a German astronaut, tweeted a photo of Israel and Gaza taken from the International Space Station. The photo may display rockets exploding in the dark of night in the Israel-Hamas conflict.