A meteor streaks across the sky and burns up in a flash. Sometimes, a small piece survives the journey through Earth’s atmosphere and lands as a meteorite. Scientists have studied these fallen rocks ...

Across Earth, every night, thousands of automated stargazers are waiting to take pictures of shooting stars. I am one of the scientists who study these meteors. Most movies and news alerts focus on ...

From changes in solar activity to shifts in climate and atmosphere, the study of Earth’s future often reveals as much about the present as it does about the distant end. Researchers using a NASA ...

Since the Sun is so hot, how can it contain oxygen, carbon, and other elements without destroying them? Bob Found Indian Harbour, Nova Scotia If you were to take a random blob of gas and heat it to ...