Stars that pass close to the solar system could pull planets out of alignment, sending them hurtling into the sun or out into space ...

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

That star, named Polaris, is the brightest in the constellation of Ursa Minor, "The Little Bear".

Getting a probe to the icy giant planets takes some time—a journey to Uranus could take as long as 13 years, even with a gravity assist from Jupiter. However, several ideas are in the works to speed ...

Water ice is a crucial building block of planetary systems. We've found plenty of it in our own Solar System, in places like ...

Webb’s instruments captured detailed spectral data revealing both the presence and distribution of ice particles across the ...

Astronomers have long suspected the presence of frozen water, ever since in 2008 data from Nasa's retired Spitzer Space ...

JWST uncovers unexpected behavior in polar lights on Jupiter, while a Mars rover captures the first image of an aurora.

Last month, scientists from Cambridge University found compounds that are considered hallmarks of life, in the atmosphere of a planet about 124 light years away from Earth. It was described by the ...

Where does the Sun end and the Solar System begin? The answer is not clear-cut. The Sun’s atmosphere – the corona – extends ...

Researchers say crystalline water ice has been clearly found. It lies inside a dusty debris ring around a star 155 ...