The Milky Way's 2 biggest satellite galaxies are oddly lonely, study finds
Helene shows that hurricanes in the age of climate change don’t wreck just coastlines
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
Why space archaeologists are finding more Mayan ruins than ever before (exclusive)
Stark before-and-after pictures reveal dramatic shrinking of major Amazon rivers
