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Moon, Venus, Mars next few mornings
Don't miss the moon's sweep past dazzling Venus and much fainter Mars, east before sunup. Lovely to view, and you might get a sense of the moon in orbit.
October 15, 2017
Tropical volcanoes trigger El Niños, says study
A new study shows how large volcanic eruptions cool tropical Africa, spawning El Niño events.
October 14, 2017
Intense storms batter Saturn moon Titan
“I would have thought these would be once-a-millennium events, if even that,” said a researcher. Instead, the storms on Titan happen about once a Saturn-year, creating massive floods in an otherwise-desert terrain.
October 14, 2017
ISS over Puget Sound, Washington
Photographer John Nelson used NASA's SpotTheStation website to learn when the International Space Station would make a high pass in his sky. This image is the result.
October 14, 2017
Peering to the Milky Way’s far side
Astronomers use parallax to directly measure the distance to a star-forming region on the opposite side of our Milky Way galaxy, nearly doubling the previous distance record.
October 14, 2017
Moon occults Regulus on October 15
From most of the world, the waning moon shines near the bright star Regulus Sunday morning. From much of the U.S., Mexico, the Caribbean or southeast Canada, the moon will pass in front of Regulus.
October 14, 2017
Rainbow with anticrepuscular rays
Karl Diefenderfer must have been looking east at sunset on October 9, in order to photograph this rainbow with anticrepuscular rays, caught "as the remnants of hurricane Nate left southeastern Pennsylvania."
October 13, 2017
Find constellations of the zodiac
Today's sky chart shows the constellations of the zodiac that are up after nightfall on these October evenings.
October 13, 2017
Juno sees Jupiter and 2 large moons
Jupiter and 2 of its largest moons – Io and Europa - captured by the Juno spacecraft as it performed its 8th flyby of the planet on September 1, 2017.
October 12, 2017
Asteroid to sweep close October 11-12
Asteroid 2012 TC4 is being used as a test of Earth's global asteroid defense system. How to see it online.
October 11, 2017
