We know that the continents are moving slowly due to plate tectonics, but continental drift only pushes the tectonic plates past each other.

Firing a nuclear warhead at a small asteroid on a collision course with the Earth could stop 99 percent of it from hitting the planet.

Skywatchers around the world turned their attention toward asteroid 2012 DA14, a cosmic rock about 150 feet (50 meters) in diameter.

The planet Venus can be seen as the Earth's evil twin. At first sight, it is of comparable mass and size as our home planet.

3,200 miles beneath Earth’s surface lies the inner core, a ball-shaped mass of mostly iron that is responsible for Earth’s magnetic field.

The idea that "space is getting crowded" has been around for a few years now, but just how crowded is it?

Astronaut-photographer Thomas Pesquet recently captured photos of blue southern lights and other spectacular Earth images

The history of life on Earth has often been likened to a four-billion-year-old torch relay. One flame, lit at the beginning of the chain.

The last major space weather event struck the Earth in 1859. Smaller, but still significant, space weather events occur regularly.

According to new research, simple animal species’ may have existed on Earth far longer than humans anticipated, approx 890 million years

Scientists at the University of Southampton have discovered that changes in Earth's orbit may have allowed complex life to emerge and thrive