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Image: Galaxy pair NGC 3504 and NGC 3512
This striking pair of galaxies located 80 million light-years from Earth lies in the constellation Leo against a backdrop of distant galaxies. The barred spiral galaxy NGC 3504 is seen on the right, and the spiral galaxy NGC 3512 is on the left. Although the two galaxies are thou
Why climate change could make staple crops less nutritious—and how CRISPR may help
Why climate change could make staple crops less nutritious—and how CRISPR may help
At present, more than 700 million people live with caloric hunger, and more than 2 billion suffer from micronutrient deficiencies, known as "hidden hunger." By prioritizing high yield over nutritional quality, global calorie production has increased while exacerbating vitamin and
This single well-known and widespread butterfly is actually three species in disguise
This single well-known and widespread butterfly is actually three species in disguise
The tropical rainforests of Central and South America are among the most biodiverse places on Earth. Costa Rica alone is home to half a million species, five times more than exist in the entire country of Canada, despite the former having 200 times less land area than the latter.
Heat wave bakes 100 mn Europeans at over 35C
Heat wave bakes 100 mn Europeans at over 35C
At least 101 million Europeans were forecast to swelter in temperatures of more than 35C on Thursday, as scores of people were thought to have been killed by the heat wave.
The universe should look the same in all directions at large scales, but DESI data suggest
Earlier this year, the Dark Energy Spectroscopic Instrument (DESI) completed observations that mapped 47 million galaxies across 11 billion light-years, allowing astronomers to better evaluate the large-scale structure of the visible universe. After studying these data, astronome
Fossils upend catastrophist narrative that flowering plants flourished only after dinosaur
A unique cache of plant fossils from volcanic deposits in New Mexico contradicts the common narrative that flowering plants were minor players in Earth's forests until dinosaurs disappeared 66 million years ago.
Fossil fish tooth chemistry uncovers Southern Hemisphere role in Earth's ice age shift
To understand where Earth might be headed, it's important to know where it has been. Throughout its existence, especially over the past couple of million years, Earth has experienced periodic cold and warm intervals, known as glacial and interglacial periods.
What to know about earthquake early warning systems
What to know about earthquake early warning systems
As earthquakes struck from California to Venezuela to Japan, millions of people received warnings on their mobile phones, providing critical seconds to seek protection.
When a pool or pond turns green with algae, don't reach for chemicals—nature has better so
When a pool or pond turns green with algae, don't reach for chemicals—nature has better so
When the Lincoln Memorial Reflecting Pool turned green with algae just days after a US$15 million renovation, the U.S. government scrambled for chemicals and expensive technical solutions to fix the iconic landmark.
A single origin story for the Milky Way's most mysterious stars
Lurking at the heart of the Milky Way, Sagittarius A* (Sgr A*) is a supermassive black hole four million times the mass of the sun, surrounded by a puzzling collection of young, massive stars whose orbits have long defied explanation. Astronomers have proposed various competing t
Foto: chunhsien shih / Pexels
Floods kill two in Taiwan as twin storms approach Japan
Japan advised more than a million people to leave their homes as two tropical storms swept toward the archipelago Friday, with torrential rain also pounding Taiwan, where at least two people have been killed.
Pacific plate's rotation gave Alaska's Aleutian Islands a later-life lift
New research by Brown University geologists confirms that the Aleutian Islands, the archipelago stretching from Alaska to Russia's Kamchatka Peninsula, experienced a massive geological uplift between 5 million and 7 million years ago. The researchers conclude that the uplift—a ri