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Mars near Pleiades cluster at nightfall
Mars and the Pleiades star cluster will fit (or nearly fit) in the same binocular field all this week. They'll come closest together on the sky’s dome on or near April 22.
April 17, 2017
Is there life on Saturn’s moon?
A form of chemical energy that can support life appears to exist on Saturn's moon Enceladus.
April 15, 2017
New global map of Earth at night
First new global map of Earth at night since 2012, dubbed Black Marble. It shows city lights, boats on the water, how people follow geography, population patterns and more.
April 14, 2017
More ways sun storms can disrupt things
Scientists are learning more about the way storms on the sun can disrupt our communications satellites and ground-based electric grids.
April 14, 2017
Moon and Saturn close in morning sky
From anywhere on Earth - on the mornings of April 15, 16 and 17 - Saturn will be a bright golden object near the waning gibbous moon. The red star Antares is also nearby.
April 14, 2017
California superbloom from space
Thanks to years of drought followed by above-average rainfall, California is enjoying a fantastic wildflower superbloom in 2017. See before-and-after space images here.
April 13, 2017
A star whose magnetic field flipped
Tau Boötis was the first star, other than our sun, ever seen to undergo a magnetic field reversal. This post also includes 2 great videos about our sun's magnetic reversals.
April 13, 2017
First-ever image of dark matter?
The scientists say their image, which combines images from more than 23,000 galaxy pairs, confirms dark matter's existence. Will other astronomers agree?
April 12, 2017
Jupiter has a Great Cold Spot
The newly discovered Great Cold Spot on Jupiter rivals the scale of the planet's Great Red Spot. It's thought to be driven by powerful energies from auroras at Jupiter's poles.
April 12, 2017
