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Asteroids may have delayed the birth of Earth's first continents

An AI simulation of an impact shows basalt-rich (purple) and basalt-poor (green) regions. (Curtin University) The planet ...
BGR

Origin Of Life On Earth Might Not Have Come From The Stars After All

The origin of life on Earth has always been a mystery. For many years, scientists have looked to the stars, believing that the building blocks of life that set forth evolution here on our planet came ...
The Conversation

Earth may have had all the elements needed for life within it all along − contrary to theories that these elements came from meteorites

For many years, scientists have predicted that many of the elements that are crucial ingredients for life, like sulfur and nitrogen, first came to Earth when asteroid-type objects carrying them ...
The Conversation

Snowball Earth: how we discovered unique Scottish rocks record when Earth was first encased in ice

More than 700 million years ago, the Earth was plunged into a state that geologists call “snowball Earth”, when our planet was entirely encased in ice. This happened when the polar ice caps expanded ...