Where did it start? How did it grow complex? Why did it get big? Three moments in Earth’s early history when evolution ...

Known as the giant-impact hypothesis, this proposed event involves a collision between Earth and a hypothetical Mars-sized ...

Most scientists think that Earth and Mars took shape this way from rocky pieces swirling around the young sun around 4.5 ...

Smithsonian geologist Gabriela Farfan studies corals, gemstones and other minerals for clues to changing oceans and environments.

When Earth formed billions of years ago, its metallic core was wrapped in a global ocean of molten rock, which eventually ...

Scientists did not arrive at Earth’s age from one clue. Several very different measurements keep pointing toward the same ...

The phenomenon, which involves the geographic poles, is distinct from when the magnetic poles move. The planet's solid crust ...

The materials that form the building blocks of life on Earth have been found in distant planet-forming discs that are the ...

AM on October 20, 2026, the H3 rocket Flight 10 was launched from the Tanegashima Space Center in Kagoshima Prefecture. On ...

Ancient South African rocks expose the chain reaction behind life’s first real growth spurt.

The 2026 Nobel Prize in Chemistry has been awarded to Dr. Kenso Soai of Japan and Dr. Henri Kagan of France. The reason for the award is the 'discovery of nonlinear effects and autocatalysis in ...

The Z machine at Sandia National Laboratories is an extreme device. Its ring of capacitors fill a room about the size of two basketball courts. When they fire, they unleash an electrical pulse that, ...