Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

Welcome back to another challenging science quiz! We’re returning to the world of atoms, stars, and everything in between with this 32-question test. From the tiniest cells to the vastness of space, ...

The search for life beyond Earth is one of the most profound quests in human history. It began not in laboratories, but in the minds of ancient stargazers who imagined other worlds teeming with beings ...

Feel like you're ready to put all your space knowledge to the test? Find out by answering the 10 question quiz below. Pass the test and you will be rewarded with your very own, personalized badge.

For more than 60 years, humanity has been pushing the limits of ingenuity, engineering and imagination by launching people into space — and keeping them safe in the "final frontier" for prolonged ...