Here's why you should welcome this most lovely of full moons—and how to experience it.

The mysterious phenomenon resembles green sand dunes in the sky.

The paintings once dazzled and enlightened mid-century planetarium-goers.

For this community of “space cowboys,” entrepreneurs, and enthusiasts, a fireball streaming across the sky offers big risks and bigger rewards—and new tech is heating up the competition.

Why astronomers keep putting them in the same places.

He got into a lot of trouble.

Robert Lawrence Jr.'s accomplishments are finally being recognized.

Understanding how the giant mammals weigh risk and reward could help prevent clashes with people.

Every summer, hundreds of millipedes are murdered on one small Massachusetts island.

Scientists don bike helmets and dodge bird poop to care for a colony of endangered common terns.

For some species, mating season means detachable penises, urine-based perfumes, and ear-splitting declarations of love.

A conservation biologist in Argentina once hosted one of the animals in her living room, but finding them in the wild has proven far more difficult.

The evolutionary marvel mates in love trains, can swim in the ocean, and even uses jazz hands as a defensive tactic.

A remote wedge of wilderness is home to trailblazing elephants, epic trees, and the only chimps and gorillas known to share a meal.

It is a key part of local culture, and looks like it was colored with a crayon.

From glasswing butterflies to vanishing octopuses, evolution is a mad scientist.

Despite traditional and modern protections, Palau's massive mollusks are at risk.