The strangest crab that has ever lived

Meet Callichimaera perplexa, the platypus of crabs. It's a 95-million-year-old extinct species that, scientists say, will force us to rethink the definition of a crab.

What you need to know about derechos

Derechos typically form in late spring and summer. They are violent storm systems that can produce widespread wind damage across a large area. Check out the images in this post.

Beetles steer by the Milky Way

When dung beetles grab a prized bit of food, they hurry off in a straight line. To be able to do this, they have to be able to see the stars.

Microplastics found in remote Pyrenees Mountains

Microplastic particles - too small for the human eye to see - were blown into the once pristine region by the wind, according to a new study.

The young moon returns

Casual observers rarely see a moon within 24 hours of new moon. But observers who have the right conditions, and are watching carefully - and those using telescopes or binoculars - can see much younger moons.

Young moon and Mars after sunset May 6, 7, 8

On May 6, 7 and 8, 2019, watch for the young crescent moon to pass by the planet Mars. Just don't mistake the star Elnath for Mars. Elnath is the 2nd-brightest star in Taurus the Bull.

NASA to fund research on advanced solar sails

Solar sails use faint pressure from sunlight to propel a spacecraft forward. A next-generation solar sail - called a diffractive solar sail - might be made of metamaterials, or smart materials.

Researchers find icy corridor on Saturn’s giant moon

While searching for the source of methane on Saturn's large moon Titan, researchers found a completely unexpected corridor of methane ice wrapping nearly halfway around the moon.

Insight lander captures sunrises, sunsets on Mars

Sunrises and sunsets on Mars, captured by the camera on NASA's InSight lander.

Storm cell over Australia

Photographer Lynton Brown captured this magnificent storm cloud over Horsham, Australia, in the late afternoon of May 1.