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The New Horizons mission has revealed a lot about Pluto, but one of the weirder discoveries may be the possible presence of clouds on the small world. Pluto's atmosphere is [...]

THE FIRST SPACECRAFT TO PULL into Venus' orbit in nearly a decade arrived in December 2015, hailing from Japan. Akatsuki was five years late for its rendezvous, but Venus has [...]

DARK CLOUD. Hubble first spotted this dark shape in September 2015. It confirmed the new feature as a long- term addition to Neptune's clouds with images taken May 16, 2016 [...]

On November 11 at the American Astronomical Society's Division for Planetary Sciences meeting, Carrie Anderson of NASA's Goddard Space Flight Center reported on her discovery of a new cloud feature [...]

PLANETARY CHECK-UP. New global maps of Jupiter from the Hubble Space Telescope highlight changes in the gas giant's clouds and storms. Astronomers spied a rare wave in clouds just north [...]

BLACK HOLE SURVIVOR. Observations made with the Very Large Telescope are providing scientists' best look at the seemingly free-floating gas cloud G2, which in 2012 astronomers predicted would be torn [...]

It didn't take long. NASA's MAVEN spacecraft reached the Red Planet in September and spotted dust clouds and aurorae at altitudes that defy current Mars knowledge. Scientists say the thin [...]

A suite of spacecraft currently circle and crawl across the Red Planet, monitoring everything from its ancient past to current weather cycles. So it came as a shock in 2012 [...]

A new study gives scientists more clues of the structures surrounding supermassive black holes that lie at the centers of most galaxies. Astronomers looked in 16 years of archived Rossi [...]

An October Astronomy & Astrophysics paper describes X-ray observations of gas clouds 30 to 100 light-years from the Milky Way's super-massive black hole, which suggest the region became a million [...]

The occasional dusty clouds above Saturn's rings are due to streams of material from meteoroids that had broken up before entering the planet's gravity and interacted with the rings, say [...]

An enormous cloud of hot gas likely extends hundreds of thousands of light-years around the Milky Way Galaxy, scientists announced in a September 1 paper in The Astrophysical Journal Letters. [...]