One of these chunks of Mars eventually crashed into the Earth somewhere near Purdue and is one of the few meteorites that can be traced directly to Mars. This meteorite was rediscovered in a ...

This January, the night sky offers a stunning display featuring the Quadrantid meteor shower and a rare alignment of four bright planets visible in a single view. Witness Mars at opposition, shining ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A mineral trapped ...

A mineral trapped within a Martian meteorite that fell to Earth has revealed traces of water on Mars that date back 4.45 billion years, according to new research. The zircon grain may contain the ...