Blurring the line between reality and fantasy, these unique natural wonders prove that nature is the ultimate artist.

Earth's oceans may have been green for billions of years until the first photosynthetic organisms flooded our atmosphere with ...

The chance that a city-killer asteroid will impact Earth in 2032 is steadily rising. Here's what you need to know.

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, ...

Want to try out sustainable living? You can stay overnight in an Earthship in New Mexico. Earthships run entirely off the ...

Last year, astronomers discovered an unusual Earth-size exoplanet they believe has a hemisphere of molten lava, with its ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

Whether Pluto is officially a planet is the least interesting thing about the runt of the solar system, astronomers will tell you 95 years after the discovery of the fascinating and sometimes ...

At the very beginning of its history, Earth was dry. How did it become a blue planet? A new theory could provide an answer.

Projections of our future under climate change paint a picture of extreme weather and acidified oceans, a world many of today ...

The asteroid is rated at a 3 on the Torino Impact Hazard Scale, a tool used for categorizing potential impacts. That means ...

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything ... 2024 — Like the Earth, the Sun likely has swirling polar vortices ...