The solar eruption set Earth's skies ablaze, with vibrant auroras visible across the Northern and Southern Hemispheres.

The deadly blast toppled American notions of safety, exposed anti-government rage and unified a grieving city. Its lingering impacts are mixed.

Once rooted in pollution protests, Earth Day now mobilises over a billion people each year to confront energy use, carbon ...

Ninety years this week, Oklahomans were met with a large wall of rolling black dust and sand, a day now known as "Black ...

The land beneath the former Aral Sea in Kazakhstan and Uzbekistan is rising and will continue to do so for many decades. Now, ...

New research suggests that the unexpected intensity of the ongoing solar maximum may be partly tied to a lesser-known, ...