SpaceX Dragon leaves space station for NASA's 1st nighttime crew splashdown since 1968

Scientists Have Identified Four Distinct Types of Alzheimer's And What They Do to Us

Markarian's Chain [OC]

It's a two-camera special! Ingenuity's fourth flight in real-time, with the raw Left Mastcam-Z frames overlaid on the Right. (Spliced version in comments)