Most planets have moons, and Jupiter already had the most. Now, with these new ones, Jupiter has a whopping 79 moons altogether … so far.
Illustration showing the newly discovered moon (in bold). Image via Carnegie Science/Roberto Molar Candanosa
The crater lakes at the summit of Kelimutu volcano in Indonesia change colors from day to day. The colors can change from white, green, blue and brown to black.
Another view of the 3 summit lakes of Kelimutu volcano, via NASA Earth Observatory.
June 2018 continued the warming trend of the past 40 years. Plus, a word about the climate change myth that there’s been no warming since 1998.
Amazing flash flood footage from Utah, July 16, 2018.
Reed Timmer - tornado chaser - running ahead of a flash flood. Don't try this at home, kids. Image is a screen capture from the video below.
Spacecraft observations reveal plasma waves moving from Saturn to its rings and its moon Enceladus. Researchers converted a recording of the plasma waves into an audible cosmic whoosh that you’ll enjoy.
Beloved astronomer Guy Ottewell announces his newest book.
. | Uranus spins on its side with respect to the plane of the solar system, via Guy Ottewell.
Photos from EarthSky friends around the world of Sunday evening’s spectacular moon and planet Venus, and Saturday’s moon and Mercury. Thanks to all who submitted or posted to our Facebook page! Miss then? Try again Monday.
Thom Luxford caught the pair from White Rock, British Columbia with an iPhone 5s in panorama mode.
Robot orbiters circling Mars have acquired images of ghost dunes. They’re pits where, scientists believe, tall crescent-shaped sand dunes once existed on this red desert world.
"Ghost dunes" in Noctis Labyrinthus on Mars. The crescent-shaped pits are the remains of active barchan-type dunes from billions of years ago. Image via Mackenzie Day/David Catling/AGU
With the long-running Delta Aquariid meteor shower already in progress, and the moon in a waxing crescent phase – and gone from the sky after midnight – we’re beginning to receive meteor photos.
David S. Brown caught this meteor on July 30, 2014, in southwest Wyoming.