Click here to download kids activity files (coloring, drawing, mazes and more) you can print at home. For more fun activities online, go to www.TheMagicalAttic.com. And to watch “Drawing With Mark” ...

Researchers have discovered chemical fingerprints of Earth's earliest incarnation, preserved in ancient mantle rocks. A unique imbalance in potassium isotopes points to remnants of “proto Earth” ...

For nearly four years, NASA's Kepler spacecraft whisked through space, surveying our corner of the galaxy. It monitored more than 150,000 stars, looking for planets about the size of Earth that ...

About 4.5 billion years ago, Earth had a violent neighbor. A young, still-forming planet named Theia slammed into our world ...

Astronomers have gotten a sneak peek at what could be Earth's ultimate fate in about 5 billion years when the sun reaches the end of its life and engulfs the solar system's inner planets – including ...

The Moon, Venus, and faint Mars, together in the July 12, 2021 night sky. The close proximity of Venus to Mars is the result of a planetary conjunction, while the thin crescent Moon just happened to ...

Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining life. On 6 October 1995, at a scientific meeting in Florence, Italy, two ...