The most striking claim about 3I/ATLAS is its estimated age range of 8-14 billion years. This analysis, led by Michele ...

The biggest planet in the Solar System. And the smallest star in the known Universe. Today, they are on a collision course.

Astronomers have discovered a new type of object that is a starless cloud that failed to form as a galaxy. Here's what to ...

These space-themed cartoons are fun to watch with your kids, and they feature real-life space science and concepts in varying ...

Eric and Wendy Schmidt are backing a start-up-like approach to building a giant space telescope and powerful ground ...

In a groundbreaking achievement, NASA has unveiled stunning images of the interstellar comet 3I/ATLAS, captured by the Europa Clipper spacecraft on its journey toward Jupiter. This remarkable event ...

NASA has selected two Colorado companies to help develop a future NASA space telescope that will look for signs of life on other planets. The flagship project, called the Habitable Worlds Observatory, ...

Plus Jon Willis’s “The Pale Blue Data Point.” ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Many astronomical events, such as meteor showers, run by calendrical timings as well. But our moon and the other planets move ...

Captured by a 3,200-megapixel camera, asteroid 2025 MN45 is a half-mile giant spinning once every 1.88 minutes. This rare ...

The wolf moon is spectacular enough, but look east and you’ll see a celestial titan the size of a pinprick ...