A powerful new observatory has unveiled its first images to the public, showing off what it can do as it gets ready to start its main mission: making a vivid time-lapse video of the night sky that ...

Mount St. Helens’ Johnston Ridge Observatory will remain closed to the public until at least 2026, a U.S. Forest Service spokeswoman said Monday. A landslide last year damaged the only road to the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The first test ...

National Science Foundation and Department of Energy will host a full reveal event streaming on the agency's YouTube channel. Live watch parties are also taking place all over the world. Named for ...

The first images from the Vera C. Rubin Observatory showed off a breathtaking preview of its capabilities — capturing millions of stars and galaxies light-years from Earth, along with thousands of ...

With unnerving precision and skill, the three-ton steel dome was lowered into place and anchored to the masonry. With its aluminized coating to prevent corrosion, this new shelter now sits atop ...

While about 20,000 previously unknown asteroids are discovered every year by telescopes around the world and spacecraft in orbit, the first images by the new Vera C. Rubin Observatory revealed 2,000 ...