New observations upended scientists' standing hypothesis about how a star would engulf a planet, causing its demise.

This colorful image of the Helix nebula may mirror what someday could become of our sun and our home planet. Released on ...

"A long time ago in a galaxy far ... When the pictures were taken, the spacecraft was between 15,379 miles and 30,633 miles from the planet's cloud tops. This is the Little Dumbbell Nebula ...

It's rare for any observatory to directly image a planet beyond our solar system, called an exoplanet, but the powerful James Webb Space Telescope has captured four of them in the stellar system HR ...

In new photos of this planet parade, the wispy glow of our own Milky Way galaxy is accompanied by Saturn, Neptune, Venus, Uranus, Jupiter and Mars as they make their way through the night sky.

Astronomers have taken unprecedented images of baby planets in a distant star system. The planets are still surrounded by rings of gas and dust from which moons appear to be taking shape.

Recent studies show that the most common type of planets in our galaxy, those between the sizes of Earth and Neptune, typically form with a hydrogen atmosphere, resulting in conditions where ...