What's inside Ceres? New findings from gravity data

In the tens of thousands of photos returned by NASA's Dawn spacecraft, the interior of Ceres isn't visible. But scientists have powerful data to study Ceres' inner structure: Dawn's own motion.

Small discovery holds big promise for cancer nanotechnology

When a team of researchers at the University of Cincinnati discovered a new nanostructure that showed significantly higher properties for use in technology that may allow doctors to see and destroy cancerous cells, they knew ...

A mission to a metal world—The Psyche mission

In their drive to set exploration goals for the future, NASA's Discovery Program put out the call for proposals for their thirteenth Discovery mission in February 2014. After reviewing the 27 initial proposals, a panel of ...

What is a terrestrial planet?

In studying our solar system over the course of many centuries, astronomers learned a great deal about the types of planets that exist in our universe. This knowledge has since expanded thanks to the discovery of extrasolar ...

Rare meteorites created in violent celestial collision

A tiny fraction of meteorites on earth contain strikingly beautiful, translucent, olive-green crystals embedded in an iron-nickel matrix. Called pallasites, these "space gems" have fascinated scientists since they were first ...

Greenland rocks provide evidence of Earth formation process

(Phys.org)—Rocks dating back 3.4 billion years from south-west Greenland's Isua mountain range have yielded valuable information about the structure of the Earth during its earliest stages of development. In these rocks, ...

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