New research shows extreme space weather may be stronger than expected, raising concerns for satellites and power grids.

A new study suggests Earth formed almost entirely from material in the inner Solar System, challenging the idea that ...

It sounds like science fiction, but imagining a collision between Jupiter and a black hole helps reveal just how delicate our ...

A new research study has challenged what scientists think about Earth’s origin and how it came into existence. For years, the origin of raw material responsible for Earth formation has been ...

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Colorful auroras ...

A geomagnetic storm lit up the night sky in parts of the US during the first weekend in October. South Africa’s National Space Agency (Sansa) told reporters that the storm had originated from a solar ...