Here's how Helene and other storms dumped a whopping 40 trillion gallons of rain on the South
Helene shows that hurricanes in the age of climate change don’t wreck just coastlines
Heart tissues beat half as strongly on the ISS as they do on Earth
Scientists explain Mount Everest's anomalous growth
River ‘piracy’ gave towering Everest a growth spurt, scientists say
Secrets of the Octopus Garden: Moms nest at thermal springs to give their young the best chance for survival
Supermassive black hole jets mysteriously ignite nova explosions, Hubble Telescope finds
Stark before-and-after pictures reveal dramatic shrinking of major Amazon rivers
