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Deep-sea volcano a hotspot for mysterious life

GEOLOGIST SEAMOUNTS, Hawaii — The turquoise waters became darker and darker, and squiggly glow-in-dark marine creatures began to glide past in the inky depths like ghosts.

The three-man submarine went down, down, down into the abyss and drew within sight of something no human had ever laid eyes on: Cook seamount, a 13,000-foot extinct volcano at the bottom of the sea.

Pluto ‘spray-painting’ poles of its big moon Charon

CAPE CANAVERAL, Fla. — A new study finds that Pluto is “spray-painting” the red poles of its big moon Charon.

The paint is actually Pluto’s continually escaping atmosphere. Methane and other gases from Pluto end up coating Charon’s frozen poles, which are so cold and where winters are so long that this buildup remains for decades.