Fossil fuels powered the industrial revolution. Would aliens need a similar power source to jump-start a technical revolution?

New research reveals where the nearest alien civilization may exist, which could be far older than intelligent life on Earth.

The Earth formed 4.6 billion years ago and has been continuously changing ever since. For instance, the Himalayas continue to ...

Africa rests on three tectonic plates that are all moving away from each other and this has already caused some changes that ...

It's the first time Earth's geologic record — information found inside rocks — has been used to create an animation of this kind. When you purchase through links on our site, we may earn an affiliate ...

Even if two earthquakes have the same magnitude, their depths can make a big difference in how much damage they cause.