Step by step tutorial on how to build a giant LEGO soda vending machine using standard bricks. This guide explains the full ...

New experiments show young rocky planets can generate water naturally when molten surfaces react with hydrogen in their early atmospheres.

In the beginning, when planets were newborn, they glowed like furnaces, vast oceans of molten rock wrapped in heavy blankets of gas. For a long time, scientists believed those fiery worlds were too ...