Astronomy on MSN

How Gaia revealed the Milky Way

On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

This 17-year-old wrote the ultimate ELI5 for coding

Aryan Poduri's book, "GOAT Coder," teaches children how to code through hands-on exercises and uncomplicated explanations.