It may be impossible to drill deep into the Earth, but by studying how tremors from earthquakes travel through the Earth, scientists have gained new insight into our planet’s core.
Lunar rocks have provided the first direct evidence of the collision between a proto-Earth and a Mars-sized planet that created the moon.
A recently discovered asteroid measuring about 30m across is expected to come within 217,000 miles (350,000km) of Earth tonight, passing between the Earth and the Moon.
A decommissioned Soviet military satellite from the 1980s is expected to come crashing down to earth today, and reportedly represents a “very real danger” to densely populated areas.
NASA’s Curiosity rover has captured its first images of earth from the red planet, with the earth appearing as a bright light in the Martian sky.