Oxygen fills the air today, but for most of Earth’s early history it barely existed. Scientists say the atmosphere did not hold steady oxygen until about 2.

For life to develop on a planet, certain chemical elements are needed in sufficient quantities. Phosphorus and nitrogen are ...

Hydrogen reserves in Earth’s core large enough to supply at least nine oceans may influence processes on the surface today.

Seamounts and the oxygen minimum zone (OMZ) are two typical deep-sea habitats that often coexist. However, determining whether the "seamount effect" alters OMZ structure through marine stratification, ...

Blue holes are among the least understood features of the ocean floor. From the surface, they can appear ordinary, even calm, ...

O2 Aspen is adding something to their wellness offerings that the town has been asking for: access to one of the country’s most respected injectable practices. Velour Medical—known for ...

As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...

The army has found an answer to China's rapid build-up of infrastructure and military installations on the border ...

Microbes move across the planet, linking ecosystems and spreading genes that shape antibiotic resistance, health, and ...

Earth's core contains nine to 45 times more hydrogen than the planet's oceans do, according to a new study that could settle ...

The largest particle collider in the US, the Relativistic Heavy Ion Collider (RHIC), has ...

The University of Pittsburgh just announced the launch of a $25 million institute to research space medicine. Could an even more ambitious space-medicine institute be queued up for takeoff here in ...