An experiment to quantify the amount of the universe’s lightest element in Earth’s core suggests that the planet’s water has mostly been here since the beginning ...

Methane is a powerful greenhouse gas with strong heat-trapping capabilities. Although there is less methane in the atmosphere than carbon dioxide, the ...

Climate change makes nitrous oxide disappear faster, creating new uncertainty for future climate and ozone predictions.

Beneath the Earth’s surface lies the core, a scorching sphere of iron surrounded by a layer of molten metal. Temperatures at the core reach approximately 6,000°C (10,800°F), comparable to the surface ...

Thousands of satellites that disintegrate upon re-entry release aluminum into the atmosphere, disrupting polar winds and the ...

Tiny marine plankton that build calcium carbonate shells play an outsized role in regulating Earth’s climate, quietly pulling carbon from the atmosphere and helping lock it away in the deep ocean. New ...

Oxygen is everywhere on Earth today. But that hasn’t always been the case. Scientists think oxygen only became a lasting part ...

A stretch of green light slid along Earth’s curve earlier this month, picked up by cameras aboard the International Space ...

The world is warming. This fact is most often discussed for Earth's surface, where we live. But the climate is also changing ...

Discover how researchers uncovered evidence of annual and centennial climate oscillations occuring during the "Snowball Earth ...

A new study reveals that chemicals used to replace ozone-damaging CFCs are now driving a surge in a persistent “forever ...