Why are there moons at the edge of the solar system that cause their rotation axes to fluctuate as if ignoring the laws of ...

From possible ice volcanoes to twirling moons, NASA’s New Horizons science team is discussing more than 50 exciting discoveries about Pluto at this week’s 47th Annual Meeting of the American ...

The study, carried out by Mark R. Showalter of the SETI Institute and Doug Hamilton based at the University of Maryland, reveals that at least two of Pluto’s moons do not have an orderly rotation on ...

CAPE CANAVERAL, Fla. — NASA’s newest Pluto pictures depict an entire day on the dwarf planet. The space agency released a series of 10 close-ups of the frosty, faraway world Friday, representing one ...

Planet rotation comparison brings the solar system into motion with a clear timelapse showing how differently each world spins. The sequence moves from Mercury through Venus, Earth, Mars, Jupiter, ...

Of Pluto’s five known moons, the four smallest all rotate chaotically. This means they tumble instead of rotating neatly along one axis. The four small moons of Pluto are named Nix, Hydra, Kerberos ...