She broke barriers at NASA and contributed to its earliest space missions as a rocket scientist, mathematician and computer programmer.

From Eleanor Roosevelt to Jill Biden, first ladies have often made statements through what they wore on Inauguration Day and to the inaugural balls.

During an equinox, places around the globe experience nearly equal amounts of daytime and nighttime. The second occurrence this year happens on Monday.

Palomar Observatory bids farewell to a tradition of napkin rings, cowbells and astronomical table conversation.

The French Riviera resort town brims with the unexpected, including a wealth of prehistory, ancient ruins and newer attractions.

He helped send the twin spacecraft on their way in 1977. Decades and billions of miles later, they are still probing — “Earth’s ambassadors to the stars,” as he put it.

As some of the loudest singing insects on Earth are back to chirp at a volume similar to an airplane’s, Americans are rejoicing or covering their ears. Listen to some of the species.

A researcher who has studied the icy world said “the prospects for the development of life are getting better and better on Enceladus.”

As humanity rushes back to space, we seem to be repeating some of the mistakes we’ve made on Earth.

Researchers completed a complex simulation that supports the idea that the giant planet’s jewelry emerged hundreds of millions of years ago, not billions.

Using data from the Cassini spacecraft, scientists discovered the presence of phosphates on icy Enceladus.

His eight championships made him a legend to his fans. His mod style, swashbuckling lifestyle and flirtations with Hollywood made him a star.

If all the objects are recognized by scientific authorities, the ringed giant world will have 145 moons in its orbit.