Earth

How light reflected by vegetation, varying through time, is a strong biosignature.

Earth’s water may have originated from both asteroidal material and gas left over from the formation of the Sun, according to new research.

Tides acting in conjunction with life could influence the rotation of planets .

A purple-pigmented molecule could have been the first to turn sunlight into metabolic energy.

Geological constraints could have influenced the evolution of life.

Researchers have developed a new way to remotely measure Earth's magnetic field--by zapping a layer of sodium atoms floating 100 kilometres above the planet with lasers on the ground.

A typical desk globe is designed to be a geometric sphere and to rotate smoothly when you spin it. Our actual planet is far less perfect — in both shape and in rotation. Earth is not a perfect sphere. When it rotates on its spin

A study on past reversals of Earth’s magnetic field has found that a rapid shift occurred within two centuries.

Thin ribbons of purple and white light that sometimes appear in the night sky were dubbed a new type of aurora when brought to scientists' attention in 2016.

Using new data gathered from sites in southern Africa, researchers have extended their record of Earth's magnetic field back thousands of years to the first millennium.