Temporary flows of saltwater could explain mysterious gullies and fan-shaped deposits spotted across asteroid Vesta.

Caption This image of the Cornelia Crater on Vesta shows lobate deposits (right) and curvilinear gullies (highlighted by the short white arrows, left). According to a newly published paper in The ...

Since entering orbit last month, Dawn has taken more than 500 images Vesta's southern section is dominated by a giant crater The northern side is filled with older craters including three that ...

Researchers have explored mysterious flow features on airless celestial bodies like Vesta, Ceres, and Europa. In their latest ...

Spectroscopic observations with Dawn show that Vesta's crust consists of various types of rock. At the south pole, the collision with another asteroid has left a huge impact crater with a diameter of ...

Astronomers have been curious about the makeup of Ceres, the largest object in the asteroid belt, ever since its discovery by ...

The paper, “Experimental Examination of Brine and Water Lifetimes after Impact on Airless Worlds,” details the team’s findings after simulating the pressures that ice on Vesta, one of the ...

The paper, "Experimental Examination of Brine and Water Lifetimes after Impact on Airless Worlds," details the team's findings after simulating the pressures that ice on Vesta, one of the largest ...

"This would directly link a specific asteroid in space to its source crater on the Moon and suggests the existence of more small asteroids composed of lunar material yet to be discovered in near ...

A crater at the edge of the Yucatán peninsula in Mexico was created by a massive asteroid that hit Earth 66 million years ago At the end of the Cretaceous Period 66 million years ago, an ...

The federal government announced this week that it is considering listing an Oregon newt that lives only at Crater Lake National Park as threatened or endangered because an invasive predator has ...