Ice Volcanoes Are Reshaping Pluto and Hint at a Hidden Ocean

[ad_1] In July 2015, NASA’s New Horizons spacecraft gave humanity its only chance. Pluto close-up. Spacecraft found dwarf planetfar from a featureless and cold sphere flamboyant world with epic impact craters, methane ice and nitrogen snow. Two of its mountains, Wright Mons and Piccard Mons, were suspected to be volcanoes. But instead of spewing molten …

Like Cheetahs, Ancient Ocean Creatures May Have Galloped

[ad_1] cheetahs fastest animals on landget in at speed more than 60 miles per hour. By comparison, salamanders run at a much more measured pace. While cheetahs are exponentially larger and stronger than salamanders, another big difference between the two is how they move – their gait. When chasing prey, cheetahs move with an asymmetrical …

An Ocean Could Be Hidden Inside Saturn’s ‘Death Star’ Moon

[ad_1] It’s a moon… and an ice ball filled with water? With a large crater carved from its surface, Saturn’s 250-mile-wide moon Mimas bears more than a passing resemblance to the Death Star from “Star Wars.” (When the Millennium Falcon first encounters the Death Star, Obi-Wan Kenobi ominously says: “This is not the moon. It’s …

These Worms Left the Ocean Floor and Never Look Back

[ad_1] The average-sized worm slithers across the seafloor like a small armored tank. The worm’s overlapping scales protect its hindquarters from predators, while its hairy appendages help it burrow through mud. This is good life for an earthworm, said Katrine Worsaae, a marine zoologist at the University of Copenhagen. “Worms love mud,” said Dr. Worsaae …