This article lists the top 7 largest moons in our Solar System, detailing their size, the planet they orbit, and key ...

Astronomers observed a massive, multi-temperature plasma eruption from a young Sun-like star, revealing how early solar ...

Without a car, your options in Yellowstone are more limited. The ride is long and Amtrak's tours are guided Crowd watching Old Faithful Geyser erupt - Eniko Balogh/Shutterstock In 2026, Old Faithful ...

With its bison population estimated at 5,300 as of August, Yellowstone bison manager Chris Geremia told the group park officials will “be using all tools to decrease" the herd.

Ancient explosive volcanic eruptions on Mars could help explain mysterious hints of buried ice from the Red Planet's equator, ...

Could a geological disaster be brewing beneath the surface of Yellowstone National Park? Many scientists and curious onlookers have asked the same question, wondering if one of the most famous ...

A round of violence on Sunday was short-lived, but analysts expect more tensions between Israel and Palestinian militants that will put the truce under strain. By David M. Halbfinger Reporting from ...

Crowds gathered Saturday in cities across the United States — and overseas — for No Kings rallies in protest of President Donald Trump’s administration and to call for the defense of First Amendment ...

Americans in all 50 states took to the streets on Saturday in large-scale protests against the Trump administration, rallying under the message that the country is veering toward authoritarianism and ...

Episode 35 of the ongoing Halemaʻumaʻu Crater eruption within the summit caldera of Kīlauea volcano on the Big Island began at about 8:05 p.m. Oct. 17, and it wasted little time revving up to put on ...

Our first trip outside the country’s capital takes us to the place where the North American and Eurasian tectonic plates meet. They drift in opposite directions by roughly 1 to 2 centimetres every ...