Leo and Chinese guardian lions

An earthly lion guards the gates, while, in the sky, a celestial Lion - Leo - ascends. Astrophotographer Jeff Dai of China tells the story.

Moon sweeps into Leo on March 9

The moon will spend several days traversing the large constellation Leo the Lion. Notice our moon, and Leo's stars, and contemplate the Earth and moon's long and varied history.

Why pandas are black and white

The giant panda’s distinct black-and-white markings have two functions: camouflage and communication, says a new study.

Stardust sheds light on 1st stars

Astronomers observed a young galaxy, existing when the universe was only 4% of its current age. It had a mass of interstellar dust, formed during explosions of an earlier generation of stars.

Rat-shaped cloud, with virga

"What was interesting ... was the development of a small upside-down cumulus on the underside of the cloud head from which delicate curtains of virga could be seen descending."

GOES-16’s 1st flashy images

Detecting and predicting severe weather just got easier, scientists announced, with the 1st images from a new Lightning Mapper onboard NOAA’s new GOES-16 satellite.

Beautiful video: Dolphin stampede

Truly one of the most wonderful videos we've seen. If you watch, you'll see thousands of dolphins, plus a whale calf snuggling with its mom.

Wicked fast aurora

Photographer Tommy Richardsen called it 'wicked fast,' saying it started a second or 2 before he clicked the shutter button, and faded before the 13-second exposure was over.

Find Mizar and Alcor in the Big Dipper

Early stargazers used this pair of stars as a vision test.

Ceres’ bright spots are young

Scientists have learned that dwarf planet Ceres' bright spots are only 4 million years old. To geologists, youth means activity and, in this case, ice volcanos.