Samples returned from the Hayabusa2 mission provides invaluable insights into the formation and evolution of our solar system.

Planetary systems around binary stars may be very different from those around single stars and might point to extraterrestrial life.

A futuristic technique conceptualized by Stanford scientists could enable astronomical imaging far more advanced than any present today.

Researchers at MSU, China and France have unveiled a new theory that could help solve a galactic mystery of how our solar system evolved.

Scientists can make some pretty accurate forecasts about the future, but predicting what the Earth will be like in 500 years is difficult.

Europa is a prime candidate for life in our solar system, and its deep saltwater ocean has captivated scientists for decades.

NASA's priority should be the Enceladus Orbilander - a mission to search for evidence of life on Enceladus, Saturn's sixth-largest moon.

Signs of a planet transiting a star outside of the Milky Way galaxy may have been detected for the first time.

Water is essential for life on Earth and other planets, and scientists have found ample evidence of water in Mars’ early history.

Ice volcanoes emit a "thicker, slushy mix of ice and water, or perhaps a solid flow like glaciers" rather than lava.

Researchers have discovered a new form of ice, redefining the properties of water and our understanding of distant, water-rich planets.

Water is essential for life on Earth and other planets, and scientists have found ample evidence of water in Mars’ early history.

Traveling to Proxima Centauri b, the closest habitable planet to Earth, would require thousands of years with even the biggest rockets.

Astronomers have used a new technique to confirm a real-life Tatooine, the fictional planet with two suns that was home to Luke Skywalker.

New research from Washington University in St. Louis suggests a fundamental reason why Mars has no water on its surface.

The hydrothermal crater lake of the Poás volcano in Costa Rica is one of the most hostile habitats on the planet.

According to a study by a team of scientists, Saturn's mini-moon Mimas may have a "liquid water ocean beneath a 24-31 km thick ice shell".

Water is essential for life on Earth and other planets, and scientists have found ample evidence of water in Mars’ early history.

An astronomer and a group of eagle-eyed citizen scientists have discovered a giant gas planet hidden from view by typical stargazing tools.

Astronomers have discovered at least 70 new free-floating planets — planets that wander through space without a parent star.