Bonneville Salt Flats

"In the springtime, when a few inches of water rest on its surface, Utah's Bonneville Salt Flats becomes a massive, thousand-acre mirror."

Year’s 2nd Blue Moon on March 31

Enjoy the 2nd Blue Moon of 2018 on March 31. We haven't had 2 Blue Moons in a year since 1999. It won't happen again until 2037.

Bye bye winter sky

"The next few weeks are the last chance to observe Sirius, Orion and the Hyades in the evening sky. Then we say goodbye to our old friends of the winter skies."

Moon in Virgo March 30 and 31

Virgo the Maiden is a large, faint, rambling constellation with a single bright star, Spica. Watch for the moon near this star tonight and tomorrow.

Researchers find a galaxy without dark matter

“It’s so rare, particularly these days after so many years of Hubble, that you get an image of something and say, ‘I’ve never seen that before.’"

Arctic winter sea ice extent 2nd lowest

Sea ice in the Arctic grew to its annual maximum extent last week, and joined 2015, 2016 and 2017 as the 4 lowest maximum extents on record, say scientists

Astronomers spy runaway star in Small Magellanic Cloud

The star is a rare yellow supergiant. It's speeding across its little galaxy fast enough to travel from Los Angeles to New York in about half a minute.

Mysterious skeleton is human, not alien

It turns out that this strange tiny skeleton is without a doubt human.

Kepler solves star explosion mystery

"When I first saw the Kepler data, my jaw dropped. I said, ‘Oh wow!’"

Watch spacewalk live March 29

On Thursday, 2 astronauts will perform a spacewalk. The spacewalk is scheduled to begin at about 12:10 UTC (8:10 a.m. EDT) and will last about 6.5 hours. How to watch live.