When a volcano that has slept for centuries suddenly roars back to life, the first clear view no longer comes from a ship or a nearby village, but from orbit. Earlier this year, a NASA satellite ...

The James Webb telescope may have detected the universe's earliest and most distant known black hole at the heart of galaxy ...

To see Earth from space is to be forever changed by the view. Since Alan Shepard became the first American to lay eyes on our ...

Two enormous structures that sit at the border between the Earth's mantle and its core have puzzled scientists for decades.

A new study reveals surprising clues about the beginnings of subduction on Earth. The Hadean Eon, which lasted from 4.6 to ...

From thousands of shots by National Geographic's photographers, here are the moments that inspired the most. Join the ...

The universe’s expansion might not be accelerating but slowing down, a new study suggests. If confirmed, the finding would ...

What makes Hot Springs State Park particularly special as a weekend getaway is its accessibility combined with its uniqueness. Unlike some of Wyoming’s more famous attractions that can be crowded with ...

A ridiculous but instructive thought experiment involving deep time, plate tectonics, erosion and the slow death of the sun ...

Nestled in the heart of Texas Hill Country, this underground marvel isn’t just another state park – it’s a limestone labyrinth where nature has been patiently carving masterpieces while civilizations ...

Eight Senate Democrats broke ranks to help end the U.S. government shutdown — progressives are calling for leadership change while the fate of the ACA premium-subsidies now hangs in the balance.

The shutdown is now the longest in U.S. history, eclipsing the record previously held by the shutdown of late 2018 and early 2019. That funding lapse ended on the evening of the 35th day, when ...