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El Niño then and now

El Niño is part of a natural climate pattern that occurs roughly every two to seven years, bringing warmer-than-normal water to parts of the equatorial Pacific. The most recent very strong El Niño events, in 1997–98 and 2015–16, ...

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Earth Sciences
Scientists discover dangerous water oscillations between Lake Varna and Black Sea
Earth Sciences
Salt marshes are proving to be powerful allies in building a climate-resilient coastline
Earth Sciences
How a massive ice shelf buttressed the last ice age's glaciers—and what it could mean for Antarctica today
Earth Sciences
How life on Earth experiences climate change
Earth Sciences
Reconstructing 16,000 years of summer temperature change in the Western Balkans
Earth Sciences
River model reveals how coordinated water sharing could ease drought's unequal effects
Earth Sciences
Forgotten samples from Greenland's Cold War base reveal warmer summers during ancient ice-free period
Earth Sciences
Machine learning reveals potential warning signal for polar vortex disruptions
Earth Sciences
Can restoring large animals help mitigate climate change? It's complicated
Earth Sciences
From seafloor depths to fishing activity, free software brings ocean data together
Earth Sciences
Ancient wildfire study offers warning for a warming world
Earth Sciences
How a cold pulse in the Northwest Atlantic reshaped East Coast fisheries
Earth Sciences
'Bomb carbon' in wood shavings helped researchers measure the stability of biochar in soil
Earth Sciences
Deep-sea expedition will revisit Pacific mining site five and a half years after test
Earth Sciences
Filling the gaps in global rainfall maps
Earth Sciences
Earth's core may have been leaking hydrogen for billions of years
Earth Sciences
Factoring daily weather extremes into glacier models reveals greater ice loss and faster sea-level rise
Earth Sciences
Fully implementing methane plans could reverse emissions growth but miss 2030 target
Earth Sciences
How much of a basin's drainage network should flood models capture?
Earth Sciences
Researchers advance aquifer mapping using remote sensing and statistical models to improve groundwater management

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Evolution
False lingzhi unmasked: Scientists crack the 245-year mystery behind a medicinal mushroom mix-up
Paleontology & Fossils
Fossils from brickworks reveal new dinosaur species that roamed England's wetlands 125 million years ago
Education
Scientists produce less disruptive research as they age, but their breakthroughs are more likely to last
Cell & Microbiology
Protein fibers, a hallmark of Alzheimer's, spotted making genetic deliveries to sperm cells
Cell & Microbiology
New binary gene expression system enables independent control of multiple cell types
Nanomaterials
Water into fuel: The new nanomaterial that could upgrade green hydrogen
Condensed Matter
Diamond defects confirm 80-year-old theory of crystal stress
Veterinary medicine
Can cats really thrive on vegan diets? Professor Andrew Knight responds to critics
Astronomy
Laser-blasted plasma shows how instabilities could heat the sun's corona
Ecology
Could ecological roles offer clues to how life began?
Astronomy
JWST and ALMA reveal a dusty, rapidly growing black hole in the early universe
Optics & Photonics
Metalens microscope switches focus with voltage, not moving optics
Biochemistry
Silent bacterial genes yield potential leads for future cancer drugs
Astronomy
FAST and Arecibo point to possible dark galaxy with vast hydrogen reservoir
Education
Audit reveals suspected fabricated references across physics, chemistry, engineering and computing journals
Planetary Sciences
Clouds on a lava planet challenge what astronomers expected
Evolution
Armored amphibian lived entirely at sea 237 million years ago, fossils suggest
Evolution
How shoes change our bones—and what that tells us about the evolution of walking
Bio & Medicine
Simulations reveal design rules for high-performance DNA particle motors
Analytical Chemistry
Hydrogen production from seawater: Low-cost catalyst could cut energy use and resist corrosion

Melting sea ice combines with Arctic sea to make clouds

Scientists have uncovered a previously unknown natural process that dramatically increases the number of cloud-forming particles in the Arctic atmosphere—potentially altering cloud cover, sunlight reflection and future climate ...

Cannabis farming is changing streams in California, experts warn

Groundwater pumped to irrigate cannabis crops in California's Emerald Triangle can cause some streams that normally run year-round to dry up entirely during summer, say researchers from Simon Fraser University, the University ...

Early snow loss exposes Barnes Ice Cap bare ice by mid-July

For most of the year, the Barnes Ice Cap in the Canadian Arctic lies quiet under a blanket of snow. By summer, that snow melts back, and the ice cap transforms in texture, its bare ice dotted with turquoise ponds and its ...