Jupiter's volcanic moon Io doesn't appear to have a subsurface ocean of magma, resolving some issues about how Io's volcanoes erupt and raising broader questions about similar magma oceans within ...

National Geographic is running a challenge for users to submit photos that "celebrate the beauty of the planet" for Earth Day ...

The area around Kanlaon Volcano in the Philippines was still under evacuation orders from an eruption in December​.

I visited all the major US national parks and ranked them based on factors like beauty and crowd size. My favorites include ...

Nighthawk would fly to altitudes of up to 4,920 feet (1,500 meters) above the Martian average, covering distances of up to ...

When Maureen Long talks to the public about her work, she likes to ask her audience to close their eyes and think of a ...

Venus may be far more geologically alive than anyone expected. New research suggests its outer crust could be churning with ...

Mars might be a thrilling destination, but its dust could be deadly. A team of scientists warns that long-term exposure to Martian dust could harm future astronauts’ lungs, thyroids, and more. Packed ...

The Perseverance rover has found some intriguing samples on the red planet. Here's what they might reveal about the origins ...

New research suggests that Venus could be much more geologically active than previously thought. A groundbreaking study by ...

Venus, the hottest planet in the solar system, is estimated to have 85,000 volcanoes, based on radar images from NASA's 1989 ...