Mauna Kea When you think of the tallest mountains, instinctively, Mount Everest comes to mind. But here's a shocker: Mauna ...

Earth is home to some truly bizarre and breathtaking landscapes — here are 20 that look straight out of an alien world.

If you're paranoid about companies and government agencies tracking your whereabouts, experts have the answer.

The Lanzarote lava tube system is an accessible testing ground for DLR's SCOUT Rover, tailor-made for navigating the complex ...

Harvard scientists explain how Mars had warm spells billions of years ago, allowing rivers and lakes to exist.

The real scenario has lava with a temperature of more than 1,000°C (1,800°F) covering rivers, lakes, or some other water-rich ...

From January to March, the night sky will host a spectacular parade of planets featuring Venus, Mars, Jupiter, Saturn, Uranus ...

Rootless cones are small volcanic landforms ranging from several to several hundred meters in diameter, formed by continuous ...