The probability that asteroid 2024 YR4 will strike the Moon on December 22 2032 is now approximately 4%, and this probability ...

Rocks found on Earth may have originated from Mercury: a potential breakthrough for astronomers.

Read What are asteroids?Asteroids are rocky objects that orbit the Sun just like planets do. In fact, sometimes asteroids are ...

This explorer spacecraft is heading to a rare asteroid with a naked metal core. It could hold clues to how Earth began ...

At a time of acute crisis, the threat posed by domestic extremists might fall down countries' list of political and security ...

Scientists estimate that the first generation of reptiles evolved between 320 and 310 million years ago, this group was later dominated by dinosaurs which paleontologists say they evolved on Earth ...

The Solar System might not be as quiet and orderly as we think. Imagine one day looking up and seeing something strange in ...

Moving from the outer layer inward, the first layer is the corona — the outermost part of the sun’s atmosphere that is ...

Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about ...

The planet was formed around four billion years ago and has a frigid atmospheric temperature of just minus 3 degrees Celsius.

A LOST Martian ocean may be hiding beneath the red planet's surface. Today Mars is a cold and dry desert – but it may have been covered in rivers, lakes, and seas around four billion years ago ...

Earth's crust today has a surprisingly similar composition to the planet's first outer shell, or "protocrust," new research finds. This early rocky shell featured chemical signatures previously ...