Related topics: nasa · asteroid · sun · moon · atmosphere

Looking for lurkers —a new way to do SETI

The most recently discovered group of rocky bodies nearby Earth are termed co-orbital objects. These may have been an attractive location for extraterrestrial intelligence (ETI) to locate a probe to observe Earth throughout ...

Ancient volcanoes reveal Earth's recycled crust

Ancient volcanoes dating back billions of years could provide new insights into how the Earth's surface is recycled, according to scientists at the University of St Andrews.

Researchers simulate processes prevailing in early magma oceans

The reason why the Earth's atmosphere has contained so much oxygen since about two billion years ago compared to the atmospheres of other known planets has for a long time remained a mystery. Researchers at the Bavarian Research ...

Geochemists measure new composition of Earth's mantle

What is the chemical composition of the Earth's interior? Because it is impossible to drill more than about ten kilometres deep into the Earth, volcanic rocks formed by melting Earth's deep interior often provide such information. ...

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