Our planet is partly made of stardust from red giants

The Earth is partly made of stardust from red giant stars, aging stars that expand because they've run out of fuel in their core.

Barbara Vonarburg-ETH Zurich | Dec. 11, 2019 | futurity
~5 mins   

Tags: science-and-technology early-earth planets space stars

Hot rocks offer clues to life on ‘Snowball Earth’

Scientists braved the heat to answer a question about oxygen and "Snowball Earth," a period when the oceans virtually froze from the poles to the equator.

U. Melbourne | Dec. 4, 2019 | futurity
~8 mins   

Tags: science-and-technology early-earth ice-age oceans oxygen rocks

Volcanic eruptions might have given Earth its first oxygen

A new theory involving volcanoes may partly explain the appearance of the first oxygen on Earth 2.5 billion years ago, researchers say.

Jade Boyd-Rice | Dec. 3, 2019 | futurity
~7 mins   

Tags: science-and-technology alien-life carbon early-earth oceans oxygen tectonics volcanoes

Mass extinction from 260 million years ago brings the total to 6

A previously underestimated extinction event actually reaches the level of one of only six mass extinctions in geologic history, researchers say.

James Devitt-NYU | Sept. 11, 2019 | futurity
~3 mins   

Tags: science-and-technology early-earth extinction volcanoes

Microbe apocalypse was bigger than the dinosaur die-off

Around 2 billion years ago, there was a mass die-off of microbes. Researchers say it rivals the loss of life from the dinosaurs' extinction.

Danielle Torrent Tucker-Stanford | Aug. 29, 2019 | futurity
~5 mins   

Tags: science-and-technology early-earth microbes oxygen

Meteors explain differences between Earth and moon elements

After the formation of the moon, meteorites deposited elements like gold on Earth and the moon, but not in the same amounts. New research explains why.

Andy Fell-UC Davis | July 15, 2019 | futurity
~3 mins   

Tags: science-and-technology early-earth meteorites moons

Star crash likely gave Earth some gold and platinum

Astrophysicists have identified an event 4.6 billion years ago as the likely source of some of the most coveted matter on Earth.

Gigi Marino-Florida | May 2, 2019 | futurity
~2 mins   

Tags: featured science-and-technology early-earth gold metals solar-system stars

Without ancient star, Earth could be a icy, watery wasteland

We may have a proto-sun to thank for the Earth's solid surface and mild climate, researchers report.

Barbara Vonarburg-ETH Zurich | Feb. 12, 2019 | futurity
~6 mins   

Tags: science-and-technology early-earth planets temperature

How old is Earth’s inner core? We finally know

Our planet is 4.5 billion years old, but its inner core may be a lot younger.

Lindsey Valich-Rochester | Jan. 31, 2019 | futurity
~6 mins   

Tags: science-and-technology alien-life early-earth exoplanets magnetic-fields planets space

Did a planetary collision give Earth the stuff for life?

The same impact that created the moon most likely delivered the elements necessary for life on Earth, researchers say.

Jade Boyd-Rice | Jan. 24, 2019 | futurity
~7 mins   

Tags: science-and-technology early-earth life moons planets space

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