Tag: earth

Study shows the Earth formed from dry, rocky building blocks

Billions of years ago, in the giant disk of dust, gas, and rocky material that orbited our young sun, larger and larger bodies coalesced...

Welcome to the Anthropocene, Earth’s new chapter

Since 2009, a cloistered band of hard-rock geologists and other scientists have toiled on a mission of great consequence. On Tuesday they will deliver the...

Experimental constraints on the oxidation state of early magma on the Earth

The dark region in the lower part of the image shows crystalized bridgmanite, and the dendritic texture in the upper part indicates quenched melt....

We’ve already breached most of the Earth’s limits—a safer, fairer future means treading lightly

People once believed the planet could always accommodate us. That the resilience of the Earth system meant nature would always provide. But we now...

Three Chinese astronauts return safely to Earth

Three Chinese astronauts working at the country's space station have returned safely to Earth, state media reported Sunday, hailing the mission as a "complete...

A just world on a safe planet: First study quantifying Earth system boundaries

Humans are taking colossal risks with the future of civilization and everything that lives on Earth, a new study published in the journal Nature...

A role for meteoritic iron in the emergence of life on Earth

Researchers from the Max Planck Institute for Astronomy and Ludwig Maximilians University Munich have proposed a new scenario for the emergence of the first...

Dangerous slowing of Antarctic ocean circulation sooner than expected

Scientists have said that an acceleration of melting Antarctic ice and rising temperatures, driven by the emission of planet-warming gases, is expected to have...

Earth’s deep ocean oxygen levels are declining, shows study

Antarctica is a unique landscape, full of mystery and wonder. Its environments have a huge impact on the rest of the planet—on the climate,...

Iron-rich rocks unlock new insights into Earth’s planetary history

Visually striking layers of burnt orange, yellow, silver, brown and blue-tinged black are characteristic of banded iron formations, sedimentary rocks that may have prompted...

Study presents new clues about the rise of Earth’s continents

Continents are part of what makes Earth uniquely habitable for life among the planets of the solar system, yet surprisingly little is understood about...

Astronomers discover two super-Earths orbiting nearby star

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered two "super-Earth" exoplanets orbiting a nearby M-dwarf star known as...

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