Exoplanets—planets that orbit stars beyond our solar system—have transformed our understanding of the universe. Since the ...

"Rings are mostly made of ice and small rocks," said William Saunders, a planetary scientist at NASA's Langley Research ...

The Earth started as a mixture of gas and dust around the Sun and grew as it collided with asteroids and dust particles.

If Earth had massive rings like Saturn, our sky, weather, tides, and even life could be dramatically different. Scientists explore how stunning—and strange—our world would become under shimmering ...

The James Webb Space Telescope has observed glowing auroras on Jupiter like never before.

Webb telescope uncovers fiery, fast-pulsing auroras on Jupiter, reshaping how scientists understand the planet’s magnetic ...

So which planets in our solar system have rings? All four giant planets — Jupiter, Saturn, Uranus and Neptune — sport these ...

NASA researchers got a rare chance to study Uranus' atmosphere and rings this month, when the ice giant passed between Earth ...

A new study of Venus suggests that the deeply inhospitable world may be more like Earth than we thought.

HERE’S a question: do you know what happens to pee in space? If yes, urine with a chance of nailing this quiz. If not, you ...

Coral reef halos, visible from satellites, can indicate reef health by reflecting predator presence and coral layout.

May’s night sky is packed with astronomical events—find out when and where to look for meteor showers, ancient star clusters, ...