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Astronomers aim Kepler at the Pleiades
The famous planet-hunting Kepler spacecraft peered toward the beautiful Pleiades star cluster and measured the spin rates of hundreds of Pleiades stars.
August 13, 2016
Tabby’s Star: More weirdness
Some astronomers think this star may have an alien megastructure - an energy-gathering Dyson sphere - around it. Here's a glimpse of the controversy.
August 13, 2016
Saturn’s moon Titan has flooded canyons
They're steep-sided canyons with liquid in them, but the liquid isn't water. Instead, it's liquid hydrocarbons.
August 12, 2016
Celebrating 100,000 orbits for ISS
Facts, links and photos here, with a word about ISS's history and purpose.
August 6, 2016
Watch a comet plunge toward the sun
In early August, SOHO spacecraft saw this bright sungrazing comet, plunging toward the sun at nearly 1.3 million miles (2.09 million km) per hour.
August 5, 2016
Once a day, Io’s atmosphere collapses
Jupiter's moon Io has active volcanos spewing gases into its thin atmosphere. As Io moves in and out of Jupiter's shadow, its atmosphere collapses and then repairs itself.
August 3, 2016
Star lashes companion with mystery ray
Astronomers thought the star AR Scorpii was a lone variable star. Now they realize it's a dwarf star bombarding its companion with relativistic electrons.
August 2, 2016
Why no young stars at Milky Way center?
An international team of astronomers finds that that there's a large region around the center of our home galaxy that's devoid of young stars.
August 1, 2016
Emirates Mars Mission to launch in 2020
The Emirates Mars Mission - which carries the name Hope - will become the first-ever mission to the Red Planet by any Arab country.
August 1, 2016
Trio of solar flares
The sun emitted 3 mid-level solar flares on July 22-23, 2016. This is what NASA's Solar Dynamics Observatory saw.
July 27, 2016
