Tag: earth

Earth’s inner core was formed 1-1.5 billion years ago

There have been many estimates for when the earth’s inner core was formed, but scientists from the University of Liverpool have used new data...

What is the Wilson cycle?

A Simple Wilson CycleThe Opening and Closing of An Ocean Basin Wilson cycle The cyclical opening and closing of ocean basins caused by movement of the...

Magnetic oceans and electric Earth

Oceans might not be thought of as magnetic, but they make a tiny contribution to our planet’s protective magnetic shield. Remarkably, ESA’s Swarm satellites...

Chinese astronauts return to Earth after six months on space station

Three Chinese astronauts returned to Earth on Saturday after 183 days in space, ending China's longest crewed mission as it continues its quest to...

Modeling Earth’s magnetosphere in the laboratory

A magnetosphere forms around any magnetized object, such as a planet, that is immersed within a stream of ionized gas, called plasma. Because Earth...

Understanding the Earth under Hawaii

In the 1960s, some 50 years after German researcher Alfred Wegener proposed his continental drift hypothesis, the theory of plate tectonics gave scientists a...

Scientists detect unexpected widespread structures near Earth’s core

University of Maryland geophysicists analyzed thousands of recordings of seismic waves, sound waves traveling through the Earth, to identify echoes from the boundary between...

Early Earth’s atmosphere was less conducive to lightning

In 1952, Stanley Miller and Harold Urey made sparks fly in a gas-filled flask meant to reflect the composition of Earth's atmosphere around 3.8...

Secondary cratering on Earth: The Wyoming impact crater field

Several dozen small impact craters, 10-70-m in size, have been discovered in southeastern Wyoming. A team of U.S. and German geoscientists found these ancient...

Dinosaur leg might be from the day the asteroid struck, scientists claim

An immaculately preserved dinosaur leg uncovered in North Dakota may be a relic from the day a massive asteroid slammed into Earth, bringing the age...

Hidden past of Earth’s oldest continents unearthed

New international research led by the University of St Andrews presents a novel way to understand the structure and formation of our oldest continents. The...

New technique unlocks ancient history of Earth from grains of sand

Curtin researchers have developed a new technique by studying the age of ancient grains of sand from beaches, rivers and rocks from around the...

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