Air bubbles trapped in Antarctic ice for 3 million years have given scientists their first direct look at Earth’s ancient ...

These findings do not confirm past life but indicate Mars once had the right chemistry to support it. We're getting closer ...

Results from two major studies suggest tens of millions of people thought safe from coastal flooding are now at risk.

Scientists identify a “bathtub ring” feature on Mars that may indicate an ancient ocean, based on landform analysis and ...

Ocean eddies are churning harder, driving coastal currents and temperature extremes by warming surface waters while cooling ...

A huge geological structure on Mars resembling a bathtub ring may be evidence of an ocean that once covered a third of the ...

Scientific models have predicted that climate change will drive oceans in the Northern Hemisphere to warm faster than oceans ...

This week’s Current Climate newsletter also looks at whether urbanists should embrace robotaxis and how the Middle East war ...

Mars has long puzzled scientists. Dry riverbeds, mineral traces, and layered rocks hint at a wetter past. For decades, ...

The ancient ocean on Mars probably occupied a third of its surface.

There is a lot of evidence from orbiting satellites and surface rovers indicating that liquid water was present long ago on ...

The old idea of summer, a fixed season that arrives on cue and leaves on time, is becoming out of date. Across the midlatitudes, the stretch of the year with historically summer-like temperatures is ...