Dawn

hook. Photo NASA/JPL-CALTECH/UCLA/MPS/DLR/IDA

 Keres - additional findings

The dwarf planet collapsed. Source: NASA.

Keres - summary of findings

Kalachao Siyum, a doctoral student at the University of Arizona, of Ethiopian origin, presents the jawbone he discovered at a site in the Afar state in Ethiopia, which dates back the first species in the human lineage to 2.8 million years. Photo: Arizona State University

Summary of the year 2015 in science

The dwarf planet's surface has collapsed as photographed by the orbiting DAWN spacecraft. The white substance inside the crater is a type of salt. Photo: NASA

The mystery of Cress is solved

Artist's illustration of the dwarf planet Ceres. From the NASA website

Nancy, but fascinating

The north pole region of the asteroid Vesta as photographed by the Dawn spacecraft before its departure, September 2012

The Dawn spacecraft leaves asteroid Vesta

Asteroid Vesta as imaged by the DAWN spacecraft on July 18, 2011

The asteroid Vesta - summary of findings

Asteroid Vesta as imaged by the DAWN spacecraft on July 18, 2011

Today and night in asteroid Vesta

The asteroid Vesta as photographed by the DAWN spacecraft on July 9, 2011, from a distance of about 41 thousand kilometers. Each pixel in the image represents about 3.8 kilometers.

NASA's DAWN spacecraft will begin orbiting asteroid Vesta today

Imaging of the Rosetta spacecraft near asteroid Steins, 2008. Image: European Space Agency

Survey of minerals in asteroids

Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

The largest asteroid may contain more water than Earth