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A new major supercluster of galaxies
The Vela supercluster had gone unnoticed due to its location behind the plane of the Milky Way, where dust and stars obscure the view.
November 21, 2016
What happens if the sun disappears?
Some things that would happen here on Earth if our giant source of heat and light were to vanish from the sky, and how long it would take.
November 19, 2016
Great Valley found on Mercury
Scientists have discovered a Great Valley on Mercury, hundreds of miles long and sunken by as much as 2 miles (3 km) below the surrounding terrain.
November 17, 2016
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
