Reanalysis shows that the Hubble Space Telescope's detection of water vapor escaping from Jupiter’s moon Europa might have been a glitch.

The post Evidence of Water Plumes from Jupiter's Moon Europa Vanishes appeared first on Sky & Telescope.

New research suggests that Triton — or a Triton-like object — might have disrupted Neptune's original moon system. Nereid might be the sole survivor.

The post Nereid Could be Neptune’s Only Original Moon appeared first on Sky & Telescope.