Today, the air we breathe has lots of oxygen – over 20 percent! But that wasn’t always the case.
Ask An Earth and Space Scientist is an educational resource for students, teachers, parents, and life-long learners. We encourage anyone interested in earth and space to make use of its content.
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?
Volcanoes are found on other planets and moons across the solar system. The lava they erupt provides information on how other planets and moons formed.
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.
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.
