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 ...

New images from NASA's DART asteroid-smashing mission show space rocks exchanging material in a slow process that reshapes their surfaces over millions of years.

We all know that stars radiate light and much more. But radiation belts can also surround many other celestial bodies, such ...

Millimeter and terahertz observations of molecular clouds, protostellar and protoplanetary objects, Millimeter and terahertz instrumentation for astronomy, Earth and Planetary Science remote sensing ...

Hi, I am Nusrath Jahan! I am a PhD student in Astrophysical and Planetary Sciences at CU Boulder. I was born and raised in Bangladesh, where I completed my undergraduate studies in Physics at ...

This study will describe how international and national planetary protection policy has been formulated and adopted and identify associated lessons to inform future policy development. The National ...

The Department of Physics and Astronomy at the University of Delaware is a vibrant hub of scientific inquiry, encompassing a diverse range of research areas that push the boundaries of human ...

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 ...