Scientists break down the reasons why days are getting shorter—and the mystery they're still trying to solve about Earth's ...

The largest piece of Mars on Earth became the most valuable meteorite ever sold at auction at Sotheby’s annual ”Geek Week,” ...

Because Pluto is so dim, you need a telescope to see it. “A backyard telescope could do it under the right conditions,” says ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Astronomers are excited about the first test images released today from the Vera C. Rubin Observatory, which show the ...

Although sharks aren’t the mindless man-eaters they are sometimes made out to be, experts know that staying safe involves ...

Mercury is notoriously difficult to see from Earth, thanks to its proximity to the Sun. But on July 4, Mercury reaches its ...

Whale sharks, coral reefs and safari tents amid the dunes: this remote lodge immerses travellers in Western Australia’s ...

Bristle worms have protrusions that act like a 3D printer, helping us to understand how cells regenerate. Most people will ...

China's Tianwen 2 probe has captured striking pictures of home as it heads out to a near-Earth asteroid to collect samples.

The birds-of-paradise distinctly known for their mesmerizing colors across the rainbow, intricate mating rituals and their extravagant feathers, join the National Geographic Photo Ark as the ...