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This historic 2026 'Infinite Flight' service will blast off via a Stoke Space Nova rocket

Why do people often adopt and develop beliefs that lack strong supporting evidence?

Iran has launched a trio of new satellites into space with the help of a Russian rocket, the country's state media reported Sunday (Dec. 28).

On Dec. 29, 1777, Captain James Cook observed an annular solar eclipse.

Find out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.

We saw quite a few milestones notched in the final frontier this year. But there were a number of failures as well, some of them quite dramatic.

The image offers a rare look at how Earth's surface and atmosphere interact after sunset.

At first glance, it seems like our understanding of physics forbids free will.

Looking to watch some of the best Sci-Fi movies and shows ever without having to rely on streaming? Don't skip these out-of-this-world Blu-ray editions.

This low-cost mission is still only getting started, and it's taking bigger risks than typical big-ticket NASA missions.