In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...
Don Pettit’s been snapping away in orbit again. This time, the NASA astronaut has captured a stunning image of the Milky Way from the International Space Station (ISS) . It also features Earth and ...
Scientists predict Andromeda and the Milky Way will collide in about 4.5 billion years—reshaping the night sky forever!.
Full Snow Moon Photos! 🌕 Night sky tonight! "Flares are expected to happen in essentially all supermassive black holes, but our black hole is unique." ...
John Kounios is a professor of psychological and brain sciences at Drexel University. He is co-author of The Eureka Factor: Aha Moments, Creative Insight, and the Brain (Random House, 2015) and ...
Exciting February sky events include Venus at its brightest and closest to Earth, the moon occulting the Pleiades, and a ...
The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...
Ahead of its dance with Saturn on Feb. 24, Mercury should be seen on Feb. 19 at magnitude -1.2 with binoculars 20 minutes ...
From fiery festivals to nature's most dazzling "sky-dance", interest in the night skies is booming, with "noctourism" poised ...
From planets and constellations, to eclipses and the Aurora Borealis, here's what to look for in the sky this spring ...