New insights into a pair of colossal, continent-sized structures 1,800 miles beneath the Earth’s surface have revealed clues ...

The shape of the Earth's oceans and continents is dictated inexorable movements of the tectonic plates, but where did those ...

The same process that gives rise to earthquakes and volcanoes may also have trapped primordial gases from the formation of the solar system deep inside the Earth, a new study finds. The process, ...

New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon ...

Scientists have discovered a meteorite older than Earth, offering the earliest clues to how the Solar System formed and how ...

When a meteor flashes across the night sky, it’s more than a beautiful streak of light. It’s a delivery from deep space—an ...

The story of how the Moon came to be has always carried a touch of mystery. Picture the young Solar System as a restless place where new worlds grew from swirling gas, dust, and rock. In that chaotic ...

Discover how scientists have used iron isotopes to determine the likely origin of the Mars-sized planet named Theia.

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth.

When a star’s core fills with iron, it collapses and explodes. In this blast, neutron bombardment triggers reactions that ...