French novelist Jules Verne delighted 19th-century readers with the tantalizing notion that a journey to the center of the Earth was actually plausible.Since then,...
IntroductionFor decades, astronomers have been perplexed by planetary magnetic fields. In our own solar system, there is no rule that explains which worlds generate...
IntroductionIn March 2018 at the Ol Pejeta Conservancy in Kenya, surrounded by his devoted keepers, Sudan the northern white rhino breathed his last. He...