Perseverance checks in from Mars with a selfie, the mounting pollution from satellite launches, and more science stories

NASA's Perseverance rover took its sixth ever selfie from the red planet during a recent excursion west of Mars' Jezero ...

I’m a space scientist. Utah is subsidizing my research with its health.

The Great Salt Lake’s decline is providing valuable scientific data for astrobiologists, but the cost is being paid by the ...