Space Entropy: The SpaceX Stunt as an Argument Against UFOs
February 9, 2018
A cosmic shooting gallery in space will make quick work of the racing car Elon Musk launched into space. Hint: it won't evolve into a Ferrari.
Cassini Grand Verdict: Saturn Rings Younger Than Expected
August 30, 2017
With the orbiter's best-yet images and data now coming down, a long-running debate about the age of Saturn's rings is concluding in favor of youth.
Cassini Has Not Made Saturn’s Rings Old
August 7, 2017
After 13 years in orbit, Cassini data still show conflicting interpretations for the age of Saturn's rings.