Earth and Mars emerged from the same young solar system around 4.5 billion years ago, yet they may have been assembled through fundamentally different processes. A new study published in Nature ...

Imagine that the Sun is on the verge of exploding. Or that a planet-killing asteroid is headed our way. Or maybe you just ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida Tech graduate, she leaves with not only a dual degree in planetary science ...

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 ...

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 ...

The source of Earth's water is an enduring mystery that extends to exoplanets and the notion of habitability. In broad terms, Earth's water was either part of the planet from the beginning of its ...

Astronomers say they have have detected a radio emission from Beta Pictoris b, an exoplanet 63 light-years from Earth, ...

A solar eclipse is a rare, visually striking phenomenon. The Moon passes between Earth and the Sun, temporarily hiding our star – a geometrical alignment spanning millions of miles. A partial solar ...

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 ...