Watching the solar eclipse this week? DON'T use your glasses from 1999! Experts warn viewers from the last eclipse may have degraded - putting your eyes at risk of permanent damage

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• UFO 'that looked like a giant nuclear weapon' stalked me before disappearing into sea, says NASA scientist

• The dark side of viral cat videos: Behaviours deemed cute or funny are actually signs of feline distress, study warns

• Vatican performs ancient ritual with 1,700-year-old skull that divides Christians

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• What colours do you see? Mind-boggling optical illusion tricks your brain into seeing red and blue in a black and white spinning wheel

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• Europe's never-ending scorching summer: Timelapse reveals the vast swathes of the continent that have hit 40°C over the last four months

• Tornadoes threaten millions in major commuter zone as Americans are warned to find shelter

• Physicist's chilling end-of-world prediction is just months away

• Gruesome discovery at bottom of Lake Mead as water level reaches record-breaking low

• SpaceX has scarred the moon forever: Before-and-after images reveal how Elon Musk's out-of-control rocket carved a 60-foot crater into the lunar surface

• Ancient message discovered in Egypt offers new proof of the Bible's story of Moses

• Farmers' Almanac releases winter weather predictions warning millions to brace for heavy snow

• Why your tap water might taste 'musty' this week, according to scientists

• Charles I's lost treasure wreck has finally been found: Royal ship carrying millions in silver and gold is discovered in a Scottish river after 400 years