Tag: rocks

How much water is left for nature? The search for the appropriate environmental flow

ENVIRONMENT
In many rivers, only a small amount of streamflow remains for nature after water is diverted for hydropower production. In light of climate change and biodiversity loss, this is having increasingly serious consequences. Researchers from WSL,...

These Canadian rocks may be the oldest on Earth

PALEONTOLOGY
Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada. The Nuvvuagittuq Greenstone Belt has long been known for its ancient rocks—plains of streaked gray stone on the eastern shore...

Ancient rocks reveal how water helped shape the world

ASTRONOMY
New Curtin-led research has revealed that water played a far bigger role than previously thought in shaping Earth's first continents, transforming the planet's early...

Unusual desert rocks suggest unknown microorganism that uses marble and limestone as a habitat

PALEONTOLOGY
In the desert areas of Namibia, Oman, and Saudi Arabia, research work has revealed unusual structures that are probably due to the activity of...

NASA proposes cheaper, quicker way to get Mars rocks and soil to Earth

ASTRONOMY
NASA is pitching a cheaper and quicker way of getting rocks and soil back from Mars, after seeing its original plan swell to $11...

Deep sea rocks suggest oxygen can be made without photosynthesis, deepening the mystery of life

EARTH
Oxygen, the molecule that supports intelligent life as we know it, is largely made by plants. Whether underwater or on land, they do this...

Island arcs study reveals ancient connections between ocean chemistry and volcanic rocks

VOLCANOES
Bringing a novel approach to a classic problem, researchers have revealed how changes in ocean chemistry over the past 2 billion years have left...

New research shows most space rocks crashing into Earth come from a single source

ASTRONOMY
The sight of a fireball streaking across the sky brings wonder and excitement to children and adults alike. It's a reminder that Earth is...

Rocks collected on Mars hold key to water and perhaps life on the planet: Researchers urge bringing them back to Earth

ASTRONOMY
Over the course of nearly five months in 2022, NASA's Perseverance rover collected rock samples from Mars that could rewrite the history of water...

380-million-year-old rocks provide insights into past climate and geothermal energy

PALEONTOLOGY
Rocks undergo changes over millions of years. Yet it is possible to extract information from them about the climate at the time of their...

In the Jersey suburbs, a search for rocks to help fight climate change

EARTH
In early spring, George Okoko was perched on a ledge 15 feet up a crumbly cliff, trying to whack off a basketball-size piece of...

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

ASTRONOMY
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...

Researchers uncover source rocks of the first real continents

EARTH
Geoscientists have uncovered a missing link in the enigmatic story of how the continents developed—a revised origin story that doesn't require the start of...

New technique enhances imaging of fluid-filled rocks, finds connection to microearthquakes

EARTHQUAKES
An international team of scientists led by Dr. Xin Liu, Assistant Professor of the Department of Earth Sciences, The University of Hong Kong (HKU),...
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