The Earth and the Moon may look very different today, but they formed under similar conditions in space. In fact, a dominant hypothesis says that the early Earth was hit by a Mars-sized object, and it ...

In 1918, the U.S. Supreme Court held that government contractors could be sued for patent infringement even if their products were manufactured specifically for the U.S. government. Franklin D.

Here’s what you’ll learn when you read this story: Scientists believe they’ve found evidence that life on Earth is over a billion years older than anyone believed was realistic. New research used ...