An electron microscope image, colorized, shows different structures of pollen grains, including sunflower, morning glory and primrose. Dartmouth Electron Microscope Facility If pollen allergies are ...

A popular climate science graph showing Earth's 485-million-year temperature history is often misinterpreted by skeptics, according to climate scientist Zeke Hausfather (@hausfath) on X. In a detailed ...

A massive meteorite strike 3.5 billion years ago left behind the world’s oldest known impact crater, challenging previous ...

Researchers find that shifts in Earth’s orbit can trigger abrupt climate changes, even in warm periods without ice sheets.

Researchers are learning details about asteroid impacts going back to the Earth's early history by using a new method for extracting precise information from tiny "spherules" embedded in layers of ...

Proto-Earth is the term used to describe the earliest days of our planet, the body from which our pale blue dot evolved. At this stage of its geological evolution, it likely existed only for a ...

The field of paleoenvironmental geochemistry examines the chemical signatures preserved in Earth’s ancient rocks to reconstruct past environments and decipher the evolution of our planet’s surface ...