Comet Tsuchinshan-ATLAS is a Halloween visitor from the spooky Oort Cloud − the invisible bubble that’s home to countless space objects
New Hubble images show Jupiter’s Great Red Spot wiggles like gelatin
Human foot found on Everest may hold key to one of mountaineering’s greatest mysteries
Climate change gave significant boost to Milton's destructive rain, winds, scientists say
A young Latina spearheading clean air policies sees her work as 'personal'
Off Argentina's Patagonian coast, whales and their calves dive deep for food
Solar storm brings spectacular Northern Lights to sky-watchers as far south as Texas
Northern lights may be visible Thursday night as far south as Alabama and Northern California
