On Earth Day, we’re reminded just how delicate and interconnected our planet’s systems really are. From the air we breathe to the water we drink, even the smallest changes can ripple across the entire ...

Scientists have long sought to explain a key mismatch in Earth's early history: oxygen-producing photosynthesis evolved hundreds of millions of years before atmospheric oxygen began to rise during the ...

As the global temperature increases, Earth's oceans are experiencing a huge shift. In addition to commonly known effects, ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Wil Burns, American University School of International Service (THE CONVERSATION) ...

Sinking coastal cities are exposing millions of residents to greater flood risks as land subsidence accelerates sea-level ...

Illustration of Fe(II)-enhanced phosphate adsorption onto phyllosilicates in Archean iron-rich oceans, a process that may have limited marine productivity and delayed atmospheric oxygenation.