In our solar system, Earth is one of but eight planets – nine, if you really want to count Pluto – and the only one remotely hospitable to life. And as technology advances, astronomers only expect to ...
The Hubble Space Telescope captured a detailed image of NGC 6000, a barred spiral galaxy. It displays a yellow core of old ...
Westerlund 1, the biggest and closest "super" star cluster to Earth, dazzles in this image released on July 23, 2025. This view combines X-ray data from NASA's Chandra X-ray Observatory (in pink, blue ...
Astronomy day 2025 is upon us! To celebrate, we've picked six targets to emphasize the variety and scale of objects visible in the night sky that will make for a beautiful and rewarding sight, whether ...