Ask An Earth and Space Scientist

Space exploration is an adventure unlike anything else. Discover the history and future of humans in space to learn how you could be a part of it.

Today, the air we breathe has lots of oxygen – over 20 percent! But that wasn’t always the case.

The surface of lava can appear smooth, rough, jagged, and sometimes like a pile of construction rubble. What are the stories behind these surface features and how did they form?

Meteorites are rocks from space, often from asteroids, Mars, or even the Moon. Join us on a journey through space and time, as we explore meteorites.