Even from space, you wouldn’t detect something important about Earth’s shape: It’s not perfectly round. It’s actually a ...

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This alignment ensures the entire side of the Moon that faces us gleams under ...

This space rock will complete one full orbit around Earth from September 29 to November ... 4.7 million miles (7.5 million kilometers) of our planet is ‘potentially hazardous.’ ...

A gigantic space rock that slammed into Earth more than three billion years ago grievously wounded the biosphere—and then helped it heal ...