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A slushy ocean beneath Pluto’s heart?
A bulging, viscous, liquid ocean may lie beneath Pluto's heart-shaped Tombaugh Regio. If it exists, it solves a longstanding puzzle about this region.
November 17, 2016
100 scientists say yes to asteroid mission
Scientists have signed an open letter in support of increased knowledge of Near-Earth Objects (NEOs), whose orbits carry them near Earth. You can sign it, too.
November 14, 2016
No need for dark matter?
Erik Verlinde just released the latest installment of his new theory of gravity. He now says he doesn't need dark matter to explain the motions of stars in galaxies.
November 10, 2016
Watch summer clouds on Titan
Time-lapse by the Cassini spacecraft shows methane clouds moving across northern regions of Saturn's largest moon, Titan, on October 29 and 30.
November 10, 2016
Quasars’ unexpected giant glowing halos
Astronomers didn't expect so many quasars to have halos. The discovery may help them probe the large-scale structure of the universe, aka the cosmic web.
November 9, 2016
Spacecraft catches partial solar eclipse
On Sunday, October 30, NASA’s Solar Dynamics Observatory caught the moon passing in front of the sun.
November 2, 2016
Asteroid, discovered November 1, swept past
Astronomers discovered asteroid 2016 VA on November 1, 2016, just hours before it passed within 0.2 times the moon's distance of Earth. Images here.
November 2, 2016
Curiosity finds small meteorite on Mars
It's not the first meteorite found by a rover on Mars, and won't be the last. In fact, in several ways, Mars is a meteorite-hunter's paradise. Photos here.
November 1, 2016
Check out fast-spinning ‘pumpkin’ stars
These stars produce X-rays at 100 times our sun’s peak levels. They spin so fast they've been squashed into pumpkin-like shapes.
October 30, 2016
New Horizons returns last of Pluto data
Remember when they said it would take more than a year for New Horizons to send its data back from Pluto? Now, say scientists, "We have our pot of gold."
October 28, 2016
