Earth as we know it is nearly 4.6 billion years old, and the air around us suited near perfectly for life, with the proper ...

To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of ...

The red auroras over Hanle are a stunning visual of intense solar activity. These celestial displays are a warning for India's satellites and power grids.

Scientists watched a solar flare grow from tiny magnetic sparks into a violent plasma-raining avalanche on the Sun.

Scientists have uncovered a surprising mechanism that may explain how Earth cooled dramatically after the age of dinosaurs.

Polygon has rounded up the best icy sci-fi planets from our favorite video games, movies, television, and books ...

New research shows ancient tropical oceans once held more oxygen than cooler regions, reshaping where early life could survive and evolve.

Evidence from fossil shells suggests that falling seawater calcium helped lock away carbon dioxide and helped cool Earth after the dinosaurs.

A 66 million-year-old mystery behind how our planet transformed from a tropical greenhouse to the ice-capped world of today has been unraveled by scientists. Their new study has revealed that Earth's ...

A new estimate suggests land sources eject 600 quadrillion pieces of microplastic into the atmosphere every year ...

This story was originally published by Inside Climate News and appears here as part of the Climate Desk collaboration. Several annual Tuesda ...

Earth has been struck by its strongest solar radiation storm in over 20 years, triggering rare aurorae far from the poles and raising concerns for satellites, aviation, and power grids.