Swirls in Jupiter’s atmosphere and in Earth’s Baltic Sea look a lot alike. That’s because the motion of fluids on both planets are governed by same laws of physics.

These 3 planets – 2 very bright ones and a fainter one – are lined up in the early morning sky now, nearly equidistant from each other.

Frozen waves on Lake Michigan, in a photo by Glenn Hughson.

This striking image shows just a part of the spectacular tail emerging from a spiral galaxy nicknamed D100.

A bluebird on a snowy day in Massachusetts is a sign that spring is coming.

Niko Powe waved a sparkler at the starry sky. He wrote, “Sirius, Orion, Hyades, Pleiades, the moon, Mars, and me.”

Sunrise in Marrakech, Morocco, on February 27, 2019, taken from a hot air balloon. Photo by Ming Bow.

Beams of light across the night sky on a lonely Florida highway.

Have you ever heard of snow rollers? We hadn’t either. They’re like the snowballs people roll to make snowmen. But, instead of people, nature rolls them.

Virga is rain that falls but doesn’t reach the ground. It helped create this spectacular scene over Mutare, Zimbabwe, on March 5, 2019.

Only a few of the original, sometimes-glinting Iridium satellites are still in low Earth orbit. They have 3 reflective panels that occasionally catch the sun and produce a visible flare lasting between 5 and 20 seconds.

Polaris – aka the North Star – is in the center of the great turning wheel of stars in this photo. It’s the star around which the entire northern sky appears to turn.

The moon has swept past the planets that are up shortly before sunup this week. The EarthSky community caught the early morning sky scenes.

SpaceX took a giant step this weekend with the successful launch of its Crew Dragon demo capsule, its first spacecraft designed to carry humans.

A lunar halo over one of the natural arches in California’s Alabama Hills.

James Figge of Delmar, New York captured this image on February 23, 2019 – from the comfort of his home – with the Harvard-Smithsonian 6-inch robotic telescope in Arizona.

“A delightful rainbow which particularly caught my eye as it framed the anticrepuscular rays on the horizon,” said photographer Alec Jones.