Her grandson dreamed up the idea of road-tripping with her to all the national parks.
After deadly season, new rules would limit who can climb Mount Everest
August 19, 2019, 10:51 a.m. by Mary Jo DiLonardo
Hundreds of hikers battle altitude sickness and frostbite as they wait in line to summit.
Brilliant things happen when science and photography collide
August 17, 2019, 9:12 a.m. by Mary Jo DiLonardo
Science Photographer of the Year contest highlights how photos can open a window to science.
Life on other planets may glow like coral to protect itself from an angry sun
August 16, 2019, 4:14 p.m. by Christian Cotroneo
Alien life may be stunningly beautiful.
Want to lower your risk for cardiovascular disease? Try a vegetarian diet
August 16, 2019, 4:07 p.m. by Melissa Breyer
Eating mostly plant-based foods and fewer animal-based foods may be linked to better heart health.
Scientists detect more repeating radio signals from deep space
August 16, 2019, 3:39 p.m. by Bryan Nelson
These repeating signals may offer clues to what causes them.
Snack-hunting raccoon caught red-handed in Florida vending machine
August 15, 2019, 2:37 p.m. by Ben Bolton
This hungry 'trash panda' went looking for food at a Florida high school.