Earth's oxygen-rich atmosphere faces a finite lifespan of about 1.08 billion years before a sharp decline, according to a ...

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.

New research suggests that the Earth's solid inner core is softer and more dynamic than previously thought, changing ideas.

Australia’s ancient rocks are acting like natural clocks, revealing how landscapes changed over billions of years through ...

Scientists warn a strange iron bar in a distant nebula could reveal Earth's fate when the Sun dies, offering a grim look at ...