One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate.’
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...
ISS astronaut shares epic photo of a ‘starry starry night’
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 ...
NASA's Webb telescope observes violence around Milky Way's central black hole
While the events observed around Sgr A* are dramatic, this black hole is not as active as some at the center of other ...
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The Elusive Brain Science of ‘Aha! Moments’
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 ...
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7 Breathtaking Images Of The Andromeda Galaxy Captured By NASA
Scientists predict Andromeda and the Milky Way will collide in about 4.5 billion years—reshaping the night sky forever!.
February’s Night Sky: See The Planet Parade, A ‘False Dusk’ And A ‘Ramadan Moon’
Exciting February sky events include Venus at its brightest and closest to Earth, the moon occulting the Pleiades, and a ...
You'll never look at the night sky the same: Why travelers are seeking out astrotourism
"The Milky Way seemed like a million of stars, it was beautiful, it was incredible," the 22-year-old recalled of her summer 2023 trip to the national park, which is also a certified International Dark ...
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Light pollution is getting worse, but there is a movement to make our skies dark again
Editor’s Note: Call to Earth is a CNN editorial series ... for the first time in decades, the Milky Way could be seen streaked across the black sky, speckled by thousands of shimmering stars.
Light pollution is getting worse, but there is a movement to make our skies dark again
Light pollution is increasing globally, and having a negative impact on wildlife and humans. But according to DarkSky International, the solutions are surprisingly simple.