Earth & Environment
What it would have been like to experience the dinosaur‑killing asteroid Armageddon
A great Tyrannosaurus rex strides through the conifer trees of her territory, sniffing the air.
She picks up the scent from the carcass of a...
Shark embryos reveal ancient blueprint behind the faces of all jawed animals
Scientists studying shark embryos have uncovered evidence that the basic blueprint for building faces in jawed animals has remained largely unchanged for more than...
How ‘snowball Earth’ was a tug-of-war
Decades of research shows that Earth was once entirely or almost entirely frozen.
The episode is known as Snowball Earth, and though its occurrence is...
Scientists find major errors in global climate pollution database
A new study from researchers at Northern Arizona University has raised concerns about the accuracy of a widely used global greenhouse gas emissions database...
Ancient continents may have helped create the right conditions for life on Earth
Scientists have discovered that the rise of Earth’s first continents may have played a major role in making life possible.
According to a new study...
Climate change is quietly increasing stroke risk, experts warn
Many people think of climate change as something that affects the weather, the oceans, or wildlife. However, scientists are now warning that it is...
Rare metal helped ancient life thrive long before oxygen filled Earth
More than three billion years ago, life on Earth faced a difficult problem.
The planet’s oceans contained only tiny amounts of molybdenum, a rare metal...
From tree waste to clean air: How eucalyptus bark could help fight pollution
What if something usually thrown away could help solve some of our biggest environmental problems?
New research from RMIT University suggests that eucalyptus bark—often treated...
Vegan diet beats Mediterranean diet on emissions and metabolic health
Scientists have long known that what we eat affects our health. But now, new research shows that our food choices can also have a...
Scientists discover 75-million-year-old mammal that survived the dinosaur era
Scientists have discovered a new species of small mammal that lived at the same time as dinosaurs, offering fresh clues about how early mammals...
How the same genes shaped butterfly wings for 120 million years
Evolution is often described as a process full of chance and randomness.
But a new study suggests that it may be more predictable than we...
Why Strait of Hormuz crisis could quietly raise prices around the world
The closure of the Strait of Hormuz has drawn attention mainly because of rising oil and petrol prices.
But focusing only on fuel misses a...
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How dog breeds differ in pain sensitivity and how it can fool even vets
Do you ever wonder how sensitive your dog is to pain?
Turns out, a dog's breed can make a difference, but the perceived pain sensitivity...
How the bumble bee got its stripes
Researchers have discovered a gene that drives color differences within a species of bumble bees.
This discovery helps to explain the highly diverse color patterns...
A new way to check your relationship’s health
Just in time for Valentine's Day, researchers at Stockholm University have developed a new way to measure relationship satisfaction. Their study, published in the...
Sunflower family tree shows flowers’ symmetry came from multiple origins
In the vast and vibrant world of plants, the sunflower family stands out for its sheer diversity, including beloved blossoms like asters, daisies, and...
New fossil discovery shows 50 million-year-old Canada-Australia connection
The discovery of a tiny insect fossil is unearthing big questions about the global movement of animals and the connection to changes in climate...
Fossil secret may shed light on the diversity of Earth’s first animals
A large group of iconic fossils widely believed to shed light on the origins of many of Earth's animals and the communities they lived...
Duke study shows how COVID-19 virus jumps from animals to humans
A recent study from Duke University and elsewhere examined the origin of SARS-CoV-2, the virus that has caused the COVID-19 pandemic.
They found that it...
Attempted assassination of President Trump: The long history of violence against U.S. presidents
Political assassinations in the United States have a long and disturbing history.
The attempted assassination of Donald Trump, who narrowly escaped death when a bullet...