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See an extra-red moon or sun this week?
If you live in the U.S. or Canada, a peculiarly red moon - or very spectacular sunrise or sunset - might be due to smoke from wildfires. Click in for images from Earth and space.
September 6, 2017
How Harvey churned up, and cooled down, Gulf waters
These maps show how the deluge of fresh rainwater and ocean mixing from hurricane Harvey combined to dramatically alter the surface waters of the Gulf of Mexico.
September 6, 2017
Saturn riding the Dark Horse
In this project nightflight image, the Dark Horse Nebula has a rider. Turn sideways to see Saturn riding on the horse's neck.
September 6, 2017
Full Corn Moon on September 6
That's September 6 at 7:03 UTC. So the crest of the moon's full phase may have already passed, for you. Still, we all can enjoy this 3rd and final full moon of northern summer (southern winter) tonight.
September 6, 2017
How many house-sized NEOs?
A new study shows house-sized NEOs - Near-Earth Objects - to be 10 times fewer than studies had indicated. Still, there are some 3.5 million NEOs larger than 10 meters across.
September 5, 2017
Artificial intelligence probes gravity’s lens
Researchers at SLAC and Stanford have been using brain-mimicking neural networks to analyze the spacetime distortions of gravitational lenses. They say their analysis is 10 million times faster than before.
September 5, 2017
Harvest Moon on September 5-6?
The moon turns full on September 6, 2017 at 7:03 UTC. For us in the Americas, our fullest moon comes on the night of September 5. Is it a Harvest Moon? Read on.
September 5, 2017
Millions of stars
This image sequence from ESA's billion-star surveyor - Gaia - looks toward the center of our Milky Way galaxy and captures some 2.8 million stars.
September 4, 2017
A new look at ocean worlds
Here's how the James Webb Space Telescope - successor to Hubble, due to launch in 2018 - will study Jupiter's moon Europa and Saturn's moon Enceladus.
September 4, 2017
Autumn is coming!
The start of September means that autumn is just around the corner. Manish Mamtani took this shot in September 2016 in Grand Teton National Park in Wyoming.
September 3, 2017
