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How giant earthquakes can form at fault planes where theory says they should not

A research group led by Satoshi Ide from the University of Tokyo has demonstrated that classic earthquake generation theory does not hold in areas where the angle at which a tectonic plate dips under another is sufficiently low. The discovery explains why giant earthquakes can fo

Admin Recifes 15/07/2026 1

Nautilus array to track missing exoplanet atmospheres

Exoplanet atmospheres have become prime targets for astrobiologists in the search for life beyond Earth. This is because exoplanet surfaces can't be directly imaged yet, so astronomers must get creative in how they search for signs of life, also called biosignatures. Presently, p

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New star activity catalog could sharpen hunt for habitable worlds

Searching for habitable worlds beyond our solar system involves more than having a planet orbit within its star's habitable zone, the region where temperatures could be just right for liquid water to exist on the surface. On Earth, where water comprises approximately 75% of the p

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Climate scientist who “proved” humanity is warming Earth says government report got it wro

A pioneering climate scientist is challenging a U.S. government report that cited his research while reaching what he says is the exact opposite conclusion. Benjamin Santer and his colleagues say decades of satellite data clearly reveal the atmospheric “fingerprint” of human-caus

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How asteroids may have sparked life on Earth

Ancient asteroid impacts may have done more than reshape Earth's surface—they could have helped spark life itself. New computer models show the collisions created enormous underground hydrothermal systems by cracking the planet's crust and allowing hot water to flow through it. T

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Voyage to the end of the world: floating lab to explore life in Arctic adrift in ice

An eight-month expedition will set off soon from Norway on a mission to find new species before the climate crisis and pollution changes the northern ocean for everSix scientists and six crew will travel next month to Kirkenes, a remote Arctic town in Norway near the Russian bord

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Hidden role of garnet reveals how Earth's 660-km seismic boundary forms

Nearly 660 kilometers (410 miles) beneath Earth's surface lies one of the planet's most important internal boundaries. Known as the 660-km seismic discontinuity, it separates the mantle transition zone from the lower mantle and plays a central role in controlling how heat and mat

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What makes a star a star? A strange 'in‑between' celestial object is testing astronomers'

A star called TOI-2155 lies around 1,350 light-years (839 trillion miles) from Earth. It is a little bigger, heavier and hotter than the sun, and it is not particularly interesting or unusual in itself.

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Scientists uncover why Antarctica became engulfed by ice millions of years before the Arct

Scientists have uncovered why Antarctica became engulfed by ice millions of years before the Arctic. The international research, published in Science, helps solve one of climate science's longest-standing puzzles: how a vast ice sheet could form when Earth was around 5°C warmer t

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AI analysis of data from multiple sensors can improve earthquake detection

One seismometer is often not enough to reliably detect earthquakes or human activity such as underground nuclear tests. Rather, researchers combine readings from seismometers distributed across a small geographic area to gain confidence in their analysis. Artificial intelligence

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This satellite constellation transformed earth science by creatively tuning in to GPS sign

When NASA's Cyclone Global Navigation Satellite System, or CYGNSS, launched into orbit in 2016, none of the University of Michigan Engineering researchers who developed the system expected it to transform earth science. They certainly had high hopes for the system's original miss

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The battle for access to Jamaica’s billion-dollar beaches

In this week’s newsletter: Activists are accusing the government of privatising the coastline to support the country’s thriving tourism industry, at the expense of locals• Don’t get Down to Earth delivered to your inbox? Sign up hereEvery year, millions of visitors from across th

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