NASA’s Juno spacecraft identifies over 40 enormous lava lakes on Io, shedding light on the extreme volcanism sculpting Jupiter’s moon.

The Voyager probes are each turning off an instrument to avoid ending their 47-year-long missions later this year.

Fusion & Fuel Efficiency Nuclear Fusion is potentially the ultimate green energy source, producing no dangerous byproducts, radioactivity (the only “waste” is helium), or greenhouse gases. And it ...