Related topics: nasa · asteroid · solar system · comet · jupiter

Astronomers study unusual asteroid

A space mission will soon visit an unusual asteroid called Vesta that may turn out to not be an asteroid at all, but a minor planet.

Mars and Earth may not have been early neighbors

A study published in the journal Earth and Planetary Science Letters posits that Mars formed in what today is the Asteroid Belt, roughly one and a half times as far from the sun as its current position, before migrating to ...

An origin story for a family of oddball meteorites

Most meteorites that have landed on Earth are fragments of planetesimals, the very earliest protoplanetary bodies in the solar system. Scientists have thought that these primordial bodies either completely melted early in ...

Dwarf planet Ceres: 'A game changer in the solar system'

In March of 2015, NASA's Dawn mission will arrive at the dwarf planet Ceres, the first of the smaller class of planets to be discovered and the closest to Earth. Ceres, which orbits the Sun in the asteroid belt between Mars ...

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