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

Asteroid Bennu origin discovery: ETH Zurich's Science Advances study reveals Jupiter filtered early solar dust into a ...

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

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 ...

Ancient iron meteorites reveal that some of the Solar System’s first solid bodies were built mostly from tiny heat-forged rock beads called chondrules, while water-rich dust was largely excluded. The ...

Add Yahoo as a preferred source to see more of our stories on Google. Illustration of solar wind streaming from a fuming Sun drives auroras bright enough to be seen far from the poles, a dazzling ...

Super-Earth exoplanets are unlike any planets in our own solar system. They’re larger and more massive than Earth but smaller than Neptune. Those found so far were in orbits close to their stars. But ...

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 ...