Scientists have long suspected the differences could be explained by what's inside the moon but until now, they couldn't ...

A pair of groundbreaking NASA studies, published in Nature, have unveiled new insights into the interiors of the Moon and the ...

Scientists have uncovered fascinating new details about the internal structures of both the moon and the asteroid Vesta using ...

NASA’s latest gravitational data model of the Moon generated a litany of discoveries from ancient volcanoes to navigational ...

Analyzing gravity data collected by spacecraft orbiting other worlds reveals groundbreaking insights about planetary ...

They accomplished this by analyzing data on the motion of NASA’s GRAIL (Gravity Recovery and Interior Laboratory) mission, ...

This artist's concept shows the Moon's hot interior and volcanism about 2 to 3 billion years ago. It is thought that volcanic ...

Vesta’s classification has vexed astronomers for decades, but a recent study is forcing planetary scientists to reevaluate ...

Asteroid Vesta, long considered a stalled protoplanet, may actually be a massive fragment of a larger world that once existed in our solar system. New findings based on gravity-field mapping and ...

Asteroid 9 Metis reaches opposition in the constellation Libra. The main-belt world is visible all night, and best positioned ...

An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...

Wausau Pilot & Review Stargazers in central Wisconsin have plenty of celestial sights to enjoy this week, including bright asteroids, planetary ...