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Earth Sciences Mar 19, 2024

Sea surface temperature research provides clear evidence of human-caused climate change

New oceanic research provides clear evidence of a human "fingerprint" on climate change and shows that specific signals from human activities have altered the seasonal cycle amplitude of sea surface temperatures (SST).

Space Exploration Mar 16, 2024

Dune: What the climate of Arrakis can tell us about the hunt for habitable exoplanets

Frank Herbert's Dune is epic sci-fi storytelling with an environmental message at its heart. The novels and movies are set on the desert planet of Arrakis, which various characters dream of transforming into a greener world—much ...

Earth Sciences Mar 13, 2024

Loathed by scientists, loved by nature: Sulfur and the origin of life

Many artists have tried to depict what Earth might have looked like billions of years ago, before life made its appearance. Many scenes trade snow-covered mountains for lava-gushing volcanoes and blue skies for lightning ...

Environment Mar 13, 2024

Air quality in Europe shows significant improvements over the last two decades, study finds

A study led by the Barcelona Institute for Global Health (ISGlobal) has consistently estimated daily ambient concentrations of PM2.5, PM10, NO2 and O3 across a large ensemble of European regions between 2003 and 2019 based ...

Earth Sciences Mar 5, 2024

Global warming may be behind an increase in the frequency and intensity of cold spells

Global warming caused by increased concentrations of greenhouse gases is already affecting our lives. Scorching summers, more intense heat waves, longer drought periods, more extended floods, and wilder wildfires are consequences ...

Earth Sciences Mar 1, 2024

Not such a bright idea: Cooling the Earth by reflecting sunlight back to space is a dangerous distraction

The United Nations Environment Assembly this week considered a resolution on solar radiation modification, which refers to controversial technologies intended to mask the heating effect of greenhouse gases by reflecting some ...

Space Exploration Feb 26, 2024

Satellites are burning up in the upper atmosphere—what impact could this have on the Earth's climate?

Elon Musk's SpaceX has announced it will dispose of 100 Starlink satellites over the next six months, after it discovered a design flaw that may cause them to fail. Rather than risk posing a threat to other spacecraft, SpaceX ...

Planetary Sciences Feb 25, 2024

Earth's early evolution: Fresh insights from rocks formed 3.5 billion years ago

Our Earth is around 4.5 billion years old. Way back in its earliest years, vast oceans dominated. There were frequent volcanic eruptions and, because there was no free oxygen in the atmosphere, there was no ozone layer. It ...

Planetary Sciences Feb 16, 2024

Lab study creates artificial magnetosphere to explore spontaneous excitation of chorus emissions

A dipole magnetic field, created by a ring current, is the most fundamental type of magnetic field that is found both in laboratories and in space. Planetary magnetospheres, such as Jupiter's, effectively confine plasma.

Earth Sciences Feb 12, 2024

Volcanism-induced ozone depletion may have contributed to Permian mass extinction, study finds

The concept of deadly mass extinctions wreaking destruction upon Earth's ecosystems millions of years ago is something that has fascinated the public and scientists alike for decades.

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