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Thursday night was fantastic for auroras

Space weather forecasters predicted the possibility of strong geomagnetic storms, resulting in a strong display of the aurora borealis, or northern lights … and they were right!

Deborah Byrd

September 8, 2017

Asteroid 3122 Florence: Video and images

This large asteroid swept closest to Earth on September 1. It's big enough that astronomers are still catching it in small telescopes, as a small, slow-moving “star.”

Deborah Byrd

September 8, 2017

Giant sunspots, solar flares, aurora alert!

Sunwatchers are still tracking those 2 large sunspot groups making their way across the Earth-facing side of the sun. Then yesterday there was an X-flare! Watch for possible auroras.

Deborah Byrd

September 7, 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.

Eleanor Imster

September 6, 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.

Deborah Byrd

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.

Eleanor Imster

September 3, 2017

Milky Way over Cape Hatteras lighthouse

John Entwistle captured this shot in mid-August on North Carolina's Cape Hatteras.

Eleanor Imster

September 2, 2017

Venus and bright stars, east before sunup

From our friend Tom Wildoner, a single shot of the morning stars in the sunrise direction. He added labels to help you identify some of the brighter objects on your morning commute!

Deborah Byrd

September 1, 2017