When the sun dies, it will become hundreds of times its current size and engulf the innermost planets. Earth may escape this ...

The Earth is now completely alone! Can it still sustain life? Will the Earthlings survive long enough? Welcome to SolarBalls, ...

When the sun dies, it will become hundreds of times its current size and engulf the innermost planets. Earth may escape this ...

Our solar system is a celestial shooting gallery, chock-full of flying projectiles that one day could threaten Earth—so what ...

When you think about a large asteroid impact, you might imagine a moment of devastation: a violent collision, a blast of heat ...

Vegetarians need not worry yet—plants will be on Earth for a long time to come. But not forever. The sun will ultimately ...

Earth’s rotation is slowing as melting ice moves across the planet. New research says it’s driven by climate change and is ...

Scientists have discovered that seismic waves traveling to Earth’s core and back caused almost all of Japan to shift eastward ...

A building-sized asteroid will pass safely by Earth on June 27. Dozens of near-Earth objects like this one routinely pass relatively close to Earth without incident.

Ganymede’s auroras have always stood apart for one simple reason: this is a moon, not a planet, and yet it carries its own ...

On October 8, the world comes together once again for CNN’s Call to Earth Day — the global day of action dedicated to ...