The giant-impact hypothesis posits that billions of years ago a Mars-sized body named Theia collided with the early Earth.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

The European Southern Observatory's Very Large Telescope (VLT) imaged both of the planets directly, and PDS 70b has the ...

The origin of the Moon has fascinated scientists for decades. The most widely accepted theory suggests that the Moon formed ...

Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.

To find out, the team used whole-Earth oscillation data from 104 past earthquakes to create a detailed 3D model of the upper ...

This finding disputes earlier ideas that the moon's composition came significantly from Theia, a protoplanet that collided with Earth billions of years ago. Read Also: 'Moon at risk of huge damage ...

An international collaboration including U-M researchers have used JWST to provide an unprecedented window into the formation of planets around young ...

NASA's Dawn mission studied two bodies in the asteroid belt up close: the protoplanet Vesta from 2011 to 2012, and the dwarf planet Ceres from 2015 to 2018. The mission's scientific camera system ...

About the mission NASA's Dawn mission studied two bodies in the asteroid belt up close: the protoplanet Vesta from 2011 to 2012, and the dwarf planet Ceres from 2015 to 2018. The mission's ...

NASA’s OSIRIS-REx mission uncovered a cosmic connection between asteroid Bennu and Earth’s Searles Lake. Both contain minerals formed by evaporating salty water, hinting that Bennu’s parent body once ...