An asteroid becomes a meteorite when it travels to Earth from a nearby orbit or the outer solar system and collides with ...

The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

The surface of our Earth is wriggling with life: it's the defining feature of our planet, which, far as we know, makes it ...

Deep subsurface microbes are highly diverse, challenging assumptions about life in low-energy environments. This discovery ...

Engaging articles, breathtaking images and expert knowledge Issues delivered straight to your door What would happen if Earth ...