New study reveals that Europa's ice shell is at least 20 kilometers thick. Sometimes planetary physics is like being in a snowball fight. Most people, if handed an already-formed snowball, can use ...

Mark Clampin (center), director of NASA's astrophysics division, will serve as acting deputy associate administrator of science for the next year. Credit: NASA GSFC/Rebecca Roth WASHINGTON — ...

Sometimes to truly study something up close, you have to take a step back. That's what Andrea Donnellan does. An expert in Earth sciences and seismology, she gets much of her data from a bird's-eye ...

The Committee on Astrobiology and Planetary Science (CAPS) provides an independent, authoritative forum for identifying and discussing issues in astrobiology and planetary science with the research ...

Students heading to class in the Duane Physics and Astrophysics building now have a glimpse into the world’s largest particle detectors in a new mural painted by Veronica Keff. A senior in ...

Sometimes planetary physics is like being in a snowball fight. Most people, if handed an already-formed snowball, can use their experience and the feel of the ball to guess what kind of snow it is ...

An expert in planetary physics and colossal collisions, Johnson has studied almost every major planetary body in the solar system. Scientists have long debated the thickness of Europa's ice shell; no ...