Tsunami safety tips: What to do if these dangerous waves threaten
Look up! What's going on in the May night sky?
Scientists discover strange life on Antarctica's ocean floor
Hubble celebrates 35 years with new images from our solar system and beyond
How to see a 'celestial smiley face' in Friday's predawn sky
Signs of alien life on K2-18b? Here's why many scientists are skeptical
Aurora Borealis may light up skies across Canada Tuesday night
What is a tsunami? How these powerful waves spell coastal danger
From nuisance to nightmare: Huge hail is an extreme danger
Giant iceberg breaks from Antarctica, revealing mysterious underwater ecosystems
In Photos: Stunning views of the rare Pi Day "Blood Moon" Lunar Eclipse