How does a star affect the makeup of its planets? And what does this mean for the habitability of distant worlds? Carnegie's ...

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

Another view from Perseverance shows how windswept Mars' landscape truly is.

A battle is raging over how to prevent future fires in California, and whether new regulations could help homeowners get ...

By combining observations from two space missions, scientists were able to follow one exceptionally active region on the Sun for months, revealing how its magnetic structure evolved over time. Our sun ...

On New Year’s Day, Michael Nicolls, vice president of Starlink engineering at SpaceX, announced that the company will lower ...