• Professor in Earth Sciences, Nanyang Technological University, Singapore, and Emeritus Professor of Mineral Physics, University of Cambridge
Magnetic traces suggest iron crystals in the innermost core are aligned east-west, rather than north-south. Lachina Publishing Services

Our view of Earth’s inner core is flipped on its side

The planet Earth’s inner core is not a single solid mass but comprised of two layers, and new evidence about the core’s composition from a team of US and Chinese geophysicists suggests that the innermost…
Volcanism, driven by plate tectonics, built Earth’s atmosphere to make a habitable planet. Simon Redfern/University of Cambridge

How the air we breathe was created by Earth’s tectonic plates

How is it that Earth developed an atmosphere that made the development of life possible? A study published in the journal Nature Geoscience links the origins of Earth’s nitrogen-rich atmosphere to the…
That is probably an underestimate. NASA HiRISE camera

Massive asteroid may have kickstarted the movement of continents

Earth was still a violent place shortly after life began, with regular impactors arriving from space. For the first time, scientists have modelled the effects of one such violent event – the strike of…
Virgo consortium: the web that holds the galaxies together. Rich Murray

Filaments that bind galaxies together illuminated by a quasar

According to cosmologists, galaxies are joined together by filaments, quite literally. These filaments form the cosmic web and are made of mostly dark matter, many stars and some gas. Observing these filaments…
It’s good that mount Sinabung isn’t a supervolcano. Binsar Bakkara/AP

How Earth’s devastating supervolcanoes erupt

Devastating supervolcanoes can erupt simply due to changes that happen in their giant magma chambers as they slowly cool, according to a new study. This finding marks the first time researchers have been…
Super Typhoon Haiyan hits the islands at the mouth of the Leyte Gulf in the Philippines. NASA/NOAA

Super Typhoon Haiyan hits Philippines with devastating force

With sustained winds of more than 310 km/h, or 195 mph, as it approached the Philippines, Super Typhoon Haiyan has hit land in the past few hours with terrifying force. This makes it the strongest tropical…
The trail of a meteor that caused some harm, but mostly helped humanity understand the meteorite strikes on Earth. alexeya

Secrets revealed of ‘dash‑cam’ meteorite that rocked Russia

The asteroid impact that burst over Chelyabinsk, Russia, on the morning of February 15 has provided a huge collection of new data that scientists have been analysing since. This week, three papers, two…

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