High-precision astrometry and new spacecraft imagery show 3I/ATLAS made a measurable course adjustment that brought it to Jupiter's Hill sphere, provoking a rift between NASA's cometary interpretation ...

Imagine standing on top of a mountain. From this vantage point, we can see picturesque valleys and majestic ridges below, and streams wind their way downhill. If a drop of rain falls somewhere on this ...

Comet 3I/ATLAS is cutting across the solar system on a trajectory that does not quite match expectations, threading past the giant planets in a way that has planetary scientists recalculating what ...

Physics in action: two people skipping stones on a picturesque lake in New Zealand. (Courtesy: Stewart Nimmo/CC BY-SA 4.0) The physics that allows spinning stones to skip across the surface of water ...