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A new day from space
Sunrise from the International Space Station. The ISS crew sees a sunrise every 90 minutes.
January 18, 2018
Meteor lit up Michigan night skies
A brilliant fireball lit up skies in the U.S. state of Michigan Tuesday night and caused the equivalent of a magnitude 2.0 earthquake.
January 17, 2018
Supercomputer insights on mysterious black hole jets
Scientists used the Blue Waters supercomputer to show that a black hole's relativistic jets and accretion disk both may be spinning - and precessing over time - around an axis separate from the black hole itself.
January 17, 2018
Zooming star points to black hole in globular star cluster
Globular star clusters contain our galaxy's most ancient stars. Astronomers didn't expect to find a 4-solar-mass black hole in one, but ... voila!
January 17, 2018
Cloud tower, view from space
An ISS astronaut shot this photo of a massive cloud tower.
January 17, 2018
Will you see a young moon tonight?
The young moon will be tough to see low in your western twilight after sunset on January 17, 2018. But, especially if you're in the Americas, you have a shot at it.
January 17, 2018
Drone recon finds ancient Silk Road irrigation system
Scientists used drones to map a previously-unknown, 1,600-year-old irrigation system that allowed farming in arid northwest China, one of world’s driest climates.
January 16, 2018
Lengths of lunar months in 2018
This new moon ends the longest lunar month of the 21st century and begins the longest lunar month of 2018.
January 16, 2018
Best photos: Morning planets!
On Sunday morning, Jupiter and Mars were half a moon-diameter apart. Now the moon is sweeping past. Plus Mercury and Saturn are in conjunction this weekend. Photos here.
January 15, 2018
Close and far moons in 2018
In 2018, the moon swings farthest from Earth for the year on January 15, only 2 weeks after coming closest to Earth for the year on January 1.
January 15, 2018
