In a recent contest, teams of researchers competed to see who could train an AI model to best pilot a spaceship. The results ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

July’s full ‘Buck Moon’ rises close to aphelion, making it the furthest full moon from the sun in 2025. The July full moon, ...

The mementoes — a set of more than 50 pieces called the Sally Ride Estate Collection — sold for a total of $145,666, ...