In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

The idea for the time-lapse originated from a request to create an educational tool that would help students understand Earth ...

Ladakh is located within the Himalayas and the Karakoram Range. Its rugged terrain, with high-altitude deserts and sparse ...

From supermoons to a total eclipse to the national park’s biggest and best-attended star parties, these are the must-see celestial shows of the year ...

Here’s everything you need to know about astrophotography in February 2025: If you've been outside just after sunset in the ...

With a nickname like Big Sky country, it's no surprise Montana is the ultimate destination for this year's celestial events, ...

In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

As night falls on the Atacama desert in northern Chile four giant telescopes turn their gaze towards the star-strewn heavens.

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.

Over four gruelling nights, he faced numerous setbacks, including storage issues, battery failures, and timer malfunctions.