Four astronauts are set to launch to the International Space Station on Sunday aboard a SpaceX capsule.
Why it matters: This flight will be the company's second crewed launch for NASA and is expected to be the first of many regular flights to the station, helping end the space agency's reliance on Russian rockets for crewed missions.
An Israeli startup is providing near block-by-block analysis and forecasts of air quality data.
Why it matters: The more we learn about air pollution, the worse it appears for us — even at what seem like low levels. Being able to visualize the dynamic state of air quality at a granular level can help people protect their health, and even decide where to live.