Arctic sea ice levels are crucial to Earth's climate because, without the ice reflecting sunlight, more heat energy goes into the oceans.

NASA's Hubble Space Telescope got a rare look at the aftermath of two cosmic collisions — and helped scientists solve a decades-old mystery. Many years ago, scientists saw a dense, bright spot near a young star called Fomalhaut. Scientists had stumbled on the dusty debris from two cosmic crashes.

The war in Iran has resulted in a 30-40% spike in the cost of mineral fertilizer since the start of the year, threatening international food prices, according to German experts. "World market prices for nitrogen fertilizer are increasingly approaching the peak levels we saw at the start of Russia's war against Ukraine [in February 2022]," said Philipp Spinne, managing director of the German Raiffeisen Association (DRV).