The land surface heats up during the day because of solar radiation coming in from the sun.
This is a really important question, and one which climatologists work on in many aspects of their jobs.
Argonne National Laboratory/flickr
8,000 tonnes of molten iron solidifies in Earth’s inner core every second – but it’s not distributed equally.
4 billion years ago, the Earth was composed of a series of magma oceans hundreds of kilometres deep.
The rocks provide rare evidence of a time when Earth’s surface was a deep sea of incandescent magma.
The updated methods are providing a clearer picture of how Earth and its inhabitants evolved over the past 60,000 years - and thus, providing new insight into its future.
St Helena, where Earth’s magnetic field behaves strangely.
The Earth’s magnetic field is a lot weaker than we would expect around the island of St Helena.
It’s long been a mystery how fast the Earth’s magnetic field changes.
Changes in the Earth’s magnetic field pose a great risk to electronic infrastructure.
The view of our planet from aboard the International Space Station.
Of all the planets in the solar system, there’s a reason we call Earth home. It’s made of just the right stuff. It’s not too small, or too big, or too hot or too cold. It’s just right.
Robert Lucian Crusitu/Shutterstock
Fossil fuels are heating the atmosphere – but the fact that we’re burning them may not be the only reason.
Material from the Earth’s core has been leaking into the mantle through activity that led to volcanic eruptions such as that helped form the Hawaiian islands.
EPA/Bruce Omori/Paradise Helicopters
New findings suggest the core has been leaking for the past 2.5 billion years, and that could help scientists understand how the core was formed.
It’s core to life on Earth.
The Earth’s core is cooling down, and one day it will be completely solid – when that happens, Earth might look a lot like Mars.
The Earth has a powerful magnetic field.
A strange patch of extremely strong magnetic field occurred over Jordan in 1000BC. Could we be about to face another one?
Signals from violent earthquakes are helping reveal the landscape of the planet’s insides.
What’s north would become south.
Are we headed to a magnetic reversal and all the global disruption that would bring? Enter archaeomagnetism. A look at the archaeological record in southern Africa provides some clues.
Dating the Earth’s enigmatic inner core: a Pluto-sized ball of iron that is super hot and frozen at the same time.
The Earth’s inner core is more than half a billion years older than previously thought, shows a study. The results could help us better understand the processes that shape the planet’s surface.
No Earths were harmed in the making of this image.
The discovery of a thickly viscous layer which traps sinking plates below Earth’s surface has wide implications, not least as a cause of earthquakes.
Magnetic traces suggest iron crystals in the innermost core are aligned east-west, rather than north-south.
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The planet Earth’s inner core is not a single solid mass but comprised of two layers, and new evidence about the core’s composition from a team of US and Chinese geophysicists suggests that the innermost…
Our planet’s interior is complex and has many layers. Their formation and structure contain many unsolved mysteries. But new research is providing some clues about how Earth’s internal structure may have…