Enjoying EarthSky? Subscribe.

254,390 subscribers and counting ...

We love sunflowers! Your best photos

You can’t look at a sunflower and feel sad.

Hubble sees Phobos orbiting Mars

This image and video aren’t artists’ illustrations. They’re from a real time-lapse sequence of images – acquired by the Hubble Space Telescope – of the tiny moon Phobos orbiting Mars. Cool!

See it! Moon sweeps past Venus

People around the world watched this week as the waning crescent moon swept near the very bright planet Venus, and fainter star Aldebaran, in the east before dawn.

The Day Earth Smiled

A mosaic of people on Earth waving at Saturn on July 19, 2013, the day Earth smiled. NASA called it “a global moment of cosmic self-awareness.”

Rainbow and road

Photo by Mike Taylor, who is based in Maine. He calls this photo Innuendo.

Watch for Venus and Aldebaran

You can’t miss the star right next to brilliant planet Venus, in the east before dawn now. It’s Aldebaran, the Eye of the Bull in the constellation Taurus.

Big sunspot at sunset

Neeti Kamthekar captured this photo of the lone sunspot that’s been making its way across the sun in recent days. In reality, the sun’s own spin is causing its apparent movement.

Dawn at Saturn

Although the Cassini spacecraft – now on the verge of running out of fuel – is in its final year in orbit around Saturn, it’s still producing heart-stirring images.

California’s Alamo Fire, from space

Large plume of smoke from the Alamo Fire in southern California, blowing over the eastern Pacific on July 9. Areas burning actively at that time appear in red.

Supernumerary rainbow over NYC

Look inside the bright primary bow for colorful fringes, whose number and spacing can change from minute to minute. Alexander Krivenyshev caught this one over New York City on Saturday, July 8.

See it! This weekend’s full moon

Favorite photos of the July 2017 full moon from EarthSky friends around the world. Thanks to all who submitted to EarthSky or posted to EarthSky Facebook!

Red rainbow at sunset, over Estonia

Jüri Voit captured this image on July 6 in Kuusalu, Estonia. It looks like a special kind of rainbow, called a red rainbow.

A day at the beach

A July 4 day at the beach, with a circumzenithal arc overhead.

Scorpion rising

Low-lying constellation Scorpius the Scorpion rising behind some of the flora in the Ancient Bristlecone Pine Forest, California.

Eye of the Milky Way

The Milky Way over the Alabama Hills, in the Eastern Sierra Nevada mountains of California.

Southern Cross over Indonesia

Camping under the Southern Cross in Bromo Tengger Semeru National Park, Indonesia.

Artificial space clouds over U.S. East

NASA launched a sounding rocket last Thursday that formed colorful clouds in space, visible from New York to North Carolina.

Antares: More than meets the eye

The bright red star Antares is located in the direction toward the center of our Milky Way galaxy. It’s a rich region of the sky for telescopic observers.

Rainbow reflected at sunset

To capture an image like this one, where the sky rainbow and reflected rainbow in the water make a perfect circle, your timing has to be perfect.

Saturday night’s extremely young moon

Photo and animation of an extremely young moon – only 18 hours past the new phase – setting over a hill last night, as seen from Rio de Janeiro, Brazil.