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
Look up! Lyrid fireballs will streak through the sky tonight
From nuisance to nightmare: Huge hail is an extreme danger
Look up! What's going on in the April night sky?
How Doppler radar revolutionized weather and saves lives
Titanic twist: 1912 wasn’t a bad year for icebergs after all
Scientists discover strange life on Antarctica's ocean floor
Giant iceberg breaks from Antarctica, revealing mysterious underwater ecosystems
In Photos: Stunning views of the rare Pi Day "Blood Moon" Lunar Eclipse