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The next layer, the mantle, stretches about 1,800 miles (2,900km) below Earth's surface. The mantle contains both magma, or molten rock, and slowly-moving solid rock. Earth's innermost layer is ...

On 31 March 2007, more than 2.2 million individuals and 2,000 businesses in Sydney, Australia switched off their lights for one hour, which marked the beginning of the Earth Hour movement. And that ...

The first one that caught our eye is that 200,000 people are born every day and 2 people die every 2 seconds. Also 75% of earth’s animal ... the rest of the interesting facts.

But unlike its rocky siblings, almost 70 percent of Earth's surface is covered in oceans of liquid water that average 2.5 miles deep. These bodies of water contain 97 percent of Earth's volcanoes ...

That’s because, on Earth, sound mainly travels to our ears ... aboard the Soviet spacecraft Sputnik 2 on the 3rd November 1957. Laika was a stray dog found in Moscow. The scientists believed ...

The ISS orbits the Earth at an altitude of around 250 miles (400 kilometres), completing one rotation every 93 minutes. This allows it to experience 16 sunrises and sunsets every day.