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Studying sun’s atmosphere on eclipse day
Monday's total solar eclipse will give scientists a rare opportunity to study the lower regions of the sun’s corona. Here's what NASA scientists will be investigating.
August 17, 2017
Moon on its way to the eclipse
Insights and a cool chart from astronomer Guy Ottewell. Plus, if you click in, you'll find photos of waning crescent moons from the past few mornings ...
August 17, 2017
Moon and Venus at dawn August 18
As the moon edges toward its August 21 date with the sun, it sweeps past Venus before dawn. You can't miss the moon and Venus! They're in the east before sunup, brightest objects up there.
August 17, 2017
Constellation Cepheus looks like a house
The constellation Cepheus represents a King, but looks like the stick house that children draw.
August 16, 2017
Sunspots during solar eclipse? Probably
Add sunspots to the list of wondrous sights to look for during the total solar eclipse of August 21, 2017.
August 15, 2017
Science balloons soaring on new missions
NASA's Balloon Program is preparing new missions, including one designed to investigate the birth of our universe.
August 15, 2017
Crepuscular rays from the moon
Crepuscular rays from the moon - August 11, 2017 - from Vancouver Island.
August 15, 2017
Moon to cover star Aldebaran
No matter where you live worldwide, look for the moon near the red star Aldebaran before dawn on August 16, 2017. From the Caribbean, northeastern tip of South America and North Atlantic Ocean, the moon will cover or "occult" Aldebaran.
August 15, 2017
Cassini’s final 5 starts August 14
Today, as part of its Grand Finale, the Cassini spacecraft begins its final 5 orbits, a set of ultra-close sweeps through Saturn’s upper atmosphere.
August 14, 2017
Milky Way over Mount Rainier
Iconic Mount Rainier in the U.S. state of Washington, with a glorious summer Milky Way above. The light strings on the mountain are climbers!
August 14, 2017
