Vesta had been thought to have been the last protoplanet, a leftover remnant from the early days of our solar system that never quite made it as a fully fledged planet for some reason.As the ...

Vesta, thought to be the second-largest asteroid in the solar system, could be a piece of an ancient, unknown planet, a new study hints.

THE WOODLANDS, Texas — The enormous asteroid Vesta is more like a small, rocky planet than other space rocks wandering around the asteroid belt between Mars and Jupiter. Among other planetlike ...

Vesta, the Planet That Could've Been. NASA's Dawn mission released a trove of new information about the giant asteroid Vesta today. By Andrew Moseman Published: May 10, 2012 1:30 PM EDT.

Vesta was spotted 200 years ago and is officially a 'minor planet' — a body that orbits the sun but is not a proper planet or comet. Yet, many astronomers call Vesta an asteroid because it lies ...

The dwarf planet Vesta is helping scientists better understand the earliest era in the formation of our solar system. Two recent papers involving scientists from the University of California ...

Vesta, the second largest object in the main asteroid belt, has an iron core, a varied surface, layers of rock and possibly a magnetic field -- all signs of a planet in the making, not an asteroid.

Data from the orbiter DAWN confirm theories about the history of Vesta, which dates to the early days of planet formation. The protoplanet is also home to the solar system's second largest mountain.

Vesta had been thought to have been the last protoplanet, a leftover remnant from the early days of our solar system that never quite made it as a fully fledged planet for some reason.

Scientists still aren't sure what to make of Vesta, a small body that orbits the sun. Is it an asteroid or a planet? NASA's Dawn spacecraft could settle the matter. Vesta was spotted 200 years ago ...