Most people would think that Earth only has one moon, but in reality it's had multiple moons on more than one time. And right now is one of those times.

China’s promise to delay its newest restrictions on the export of the rare earths that are crucial to many high-tech products for one year as part of a trade agreement creates an opportunity for the U.

The comet, called 3I/ATLAS, is the third known interstellar object that has come through our solar system. As it flies deeper into the solar system before leaving our cosmic neighborhood some time between Nov. 27, 2025 and Jan. 27, 2026, the International Asteroid Warning Network is kicking off a campaign to observe the comet.

The climate is "continuing to shift in a very dangerous direction"—and action is needed—Christopher Wolf told Newsweek.

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three dimensions.

With trials of atomic weapons set to resume, we recall the environmental and health damage wrought by such testing

China’s promise to delay its newest restrictions on the export of the rare earths that are crucial to many high-tech products for one year as part of a trade agreement President Donald Trump

Homo sapiens is the most successful mammalian species in Earth history, and it’s not even close. The species thrives on nearly every continent, in a variety of adverse conditions, and outnumbers the second-place contender—the rat—by at least a cool billion.