NASA's Perseverance rover has been busy gathering bits of Mars — rock cores the size of chalk sticks, clusters of broken fragments no bigger than pencil erasers, and even grains of dust fine enough to ...

Ecosystem engineers are plants or animals that create, modify or maintain habitats. As Joshua Larsen, an associate professor at the University of Birmingham, explains, beavers are a perfect example of ...

A joint project between NASA and the Indian space program, NISAR will give us a look at the ways Earth's surface is changing.

Areas scarred by the Eaton Fire are at “high to very high risk” of debris flows this week. How do they happen? What is being ...