A persistent "gravity hole" beneath Antarctica gives scientists a window into Earth's deep interior, showing how processes ...

From the highest mountains to the deepest oceans, the breath of life as we know it depends on a single, vital element: oxygen. Our planet's atmosphere is currently a vibrant, oxygen-rich blanket, ...

Far from our solar system, astronomers have finally watched a star consume one of its own planets, catching in real time a process that will eventually reshape, and likely erase, the world we live on.

During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed. What followed was a cascade of environmental and biological changes that ...

The black star represents the position of the star. The colored lines are the orbits of two planets. The yellow one is the outer, and it is highly inclined. The inner one is the red one. As time ...