About two dozen second graders sat on the carpet at the front of Jacquelyn Anthony’s classroom, reviewing how to make tens.

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

To say 2025 was a busy news year would be an understatement. There were wildfires and hurricanes and plenty of political intrigue. We also enjoyed some memorable moments in sports and entertainment.

This is read by an automated voice. Please report any issues or inconsistencies here. Thankfully, we can still turn to our bookshelves — and podcasts — to ground us. We tapped science doyenne Alie ...

It has been a busy year for news, but now is the time to test yourself to see how much you remember, in our quiz. We're giving readers the chance to play our annual quiz of the year. From ...

1 / 6 | Visual: The moon is named for a titan in Greek mythology who is the brother of Y. Together, Epimetheus and Y stand for Hindsight and Foresight. Name Y, the image depicts him performing a ...

Emma R. Hasson is Scientific American’s Games ace and a Ph.D. candidate in mathematics at the City University of New York Graduate Center with expertise in math education and communication. Hasson was ...