K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

Earth is the only planet in the known universe that has the right combination of water, atmosphere, temperature, and chemical ...

International Space Station cameras pointing at Earth have captured huge, mysterious writing etched onto the surface of the planet.

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles ...

Scientists have long thought that tectonic plates needed to dive beneath each other to create the chemical fingerprint we see in continents.

The sun may rise every morning, but the amount of sunlight reaching the Earth’s surface can substantially vary over decades.

Solar radiative energy declined in large parts of the world from the 1950s to the 1980s - known as "global dimming" - before ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

Get Instant Summarized Text (Gist) The amount of sunlight reaching Earth's surface varies significantly over decades, influenced by air pollution and clean energy measures. Historical data shows a ...