Astronomers have long debated why so many icy objects in the outer solar system look like snowmen. Michigan State University ...

Scientists Spot a Deep-Space Object That Shouldn’t Exist ...

Astronomers had decent guesses about how these peanut-shaped asteroids formed but couldn’t get the physics to work—until now.

Imagine looking up at the night sky and spotting a huge, mysterious interstellar object racing through space, coming from far beyond our solar system. It is moving fast, and it seems to be heading in ...

A new SpaceX effort to provide space traffic coordination services has attracted attention and praise in part because of the conditions it places on users.

Add Yahoo as a preferred source to see more of our stories on Google. Interstellar object 3I/ATLAS is on the opposite side of the sun from Earth - but several spacecraft are in the perfect position to ...

A niche corner of the commercial space sector is attracting attention from United States national security planners, not because of its economic promise, but because of the technical problems it is ...

The James Webb Space Telescope and the Chandra X-ray Observatory have captured the clearest image yet of a galaxy cluster in the making, seen when the universe was only one billion years old.

A mysterious object has caused a long-lasting and extreme dimming of a distant star, but is this object a 'failed star' brown dwarf, or an exceptionally massive super-Jupiter exoplanet?

Interest in the moon has been high—just in the past two years there have been 12 attempts to send missions to the moon, nearly half of which private companies undertook. With so much activity, it's ...

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From groundbreaking research aboard the International Space Station to dazzling new ...