Limestone landscapes, like this one in the Stone Forest in China’s Yunnan Province, would be hard to find elsewhere in our solar system ... of the Planetary Science Institute in Tucson, Arizona ...

Io is the most volcanic body known to science, and researchers have puzzled ... but it doesn’t hold a candle to those of the solar system’s gas giant planets. These moons are worlds unto ...

After its discovery in 1930, Pluto was declared the ninth planet in our solar system and quickly garnered ... after the planet in 1931). (See National Geographic’s first map of Pluto.) ...

Our solar system is home to wondrous worlds ... Rubin Observatory, jointly funded by the National Science Foundation and the Department of Energy, is named after the famed astronomer who revealed ...

Photograph by JERRY LODRIGUSS/SCIENCE PHOTO LIBRARY While there are perhaps trillions of comets ringing the outer fringes of the solar system, bright comets appear in Earth's visible night sky ...

The new analysis, published today in Science, identifies the extinction-triggering asteroid as a carbonaceous chondrite meteorite that formed in the outer part of our solar system. Experts refer ...

Thankfully, at some point in the past 4.5 billion years, the cosmos gave Earth’s neighborhood an upgrade: It put a big, bright, icy ring system ... Science journalist and longtime National ...

He talks to National Geographic about consulting on NASA ... a cloud of rocky grains that fills interplanetary space in our solar system. Why did you choose that topic? BRIAN MAY: I knew you ...

Micrograph by Dennis Kunkel Microscopy/Science Photo Library It’s easy ... finding compelling evidence for oceans in the outer solar system. Finding evidence that oceans are common in the ...