What's killing killer whales?

Puerto Rico's Arecibo Observatory 'not closing' after collapse

For nationalistic regimes, similar COVID-19 policies are the sincerest form of flattery

Research leads to better modeling of hypersonic flow

Study explores link between social status and trust in decision-makers

Titanium atom that exists in two places at once in crystal to blame for unusual phenomenon

Leaf microbiomes are a neighborhood affair in northern forests

Tree lifespan decline in forests could neutralize part of rise in net carbon uptake

Common pipe alloy can form cancer-causing chemical in drinking water

How a police contact by middle school leads to different outcomes for Black, white youth

Marine mammals' adaptations to low oxygen offer new perspective on COVID-19

The impact of Neandertal DNA on human health

How proteins find their place in the cell

Red Sea turtle hatchlings are feeling the heat

Researchers confront optics and data-transfer challenges with 3D-printed lens

Development of new stem cell type may lead to advances in regenerative medicine

Most countries are violating international law during the COVID-19 pandemic, legal experts says

Researchers discover life in deep ocean sediments at or above water's boiling point

How plants compete for underground real estate affects climate change and food production

3-D protein modeling suggests why COVID-19 infects some animals, but not others

Physicists capture the sound of a 'perfect' fluid

Mapping quantum structures with light to unlock their capabilities

How hot is too hot for life deep below the ocean floor?

Natural selection plays major role in an organism's capacity to evolve and adapt

Tire-related chemical is largely responsible for adult coho salmon deaths in urban streams

Shuttering fossil fuel power plants may cost less than expected

Researchers pioneer a revolutionary new method to directly observe dark excitons

Light-Based Quantum Computer Exceeds Fastest Classical Supercomputers

A new view of how the brain decides to make an effort

Impactful science teaching requires minimum five hours instruction weekly

Major Companies Call on Biden to Act on Climate Change

Facebook will remove misinformation about covid-19 vaccines

Higher frequency of financial reporting hinders corporate innovation

New compact model for gene regulation in higher organisms

Not enough hazelnuts? Our future climate points to Australia for new cultivation

Better diabetes treatment: New insulin molecule can self-regulate blood sugar

Coasts drown as coral reefs collapse under warming and acidification

New compact model for gene regulation in higher organisms

Researchers identify bacteria that can make the Bolson tortoise ill

Physicists succeed in bringing movement of photons and electrons under same laws

Study proves bits of DNA in seawater correlate to the weight of netted fish

Hubble captures unprecedented fading of Stingray nebula

Chinese moon probe begins return to Earth with lunar samples

Ancient migration was choice, not chance

Inventing Us: How Inventions Shaped Humanity

This is the most precise 3D map of the Milky Way ever made

New research on predator-prey relationships

Ancient migration was choice, not chance, study finds

World's smallest primate reveals incredible preservation of our visual system through millions of years of evolution

Gaia space telescope measures solar system's acceleration

Researchers develop a sequence analysis pipeline for virus discovery

How a flu virus shut down the US economy in 1872—by infecting horses

Tiny treetop flowers foster incredible beetle biodiversity

Flood risk for low-income housing in U.S. could triple by 2050

High speed filming reveals protein changes during photosynthesis

Spatial maps give new view of gut microbiome

Hawaiian minerals increasing lung infection rates on the islands, study finds

What makes the world's biggest surfable waves?

Is Arctic warming behind a monster Saharan dust storm?

Supercharge your microscope: Researchers share guide for ultra-precise 3-D imaging

The floor is lava: After 1.5 billion years in flux, here's how a new, stronger crust set the stage for life on Earth

Microbiologists discover key protein for controlling cell shape in magnetic bacteria

Research team develops software that cuts time, cost from gene sequencing

Californians flee as strong winds push fire through canyons

Autism study suggests connection between repetitive behaviors, gut problems

Searching for sub-eV sterile neutrinos using two highly sensitive detectors

Researchers discover 16 million-year-old bat fossil

Robot fleet dives for climate answers in 'marine snow'

Reproduction key to maintenance of marimo shape

The helix of life: New study shows how RNA stably binds to artificial nucleic acids

Floods kill nine in southern Thailand

120,000-year-old supernova remnants detected in neighboring galaxy

Rhizobium adapts lifestyles from rhizosphere to symbiosis

Copernicus satellites keep eyes on icebergs for Vendée Globe

Observations unveil dynamic magnetosphere of the magnetar Swift J1818.0−1607

A three-dimensional view of the Milky Way

New SIMPLEx mission small satellite to blaze trails studying lunar surface

Physicists describe a new type of amorphous solid bodies

Cooling electronics efficiently with graphene-enhanced heat pipes

A first step to plant made dengue virus vaccines

'Unjustifiable': new report shows how the nation's gas expansion puts Australians in harm's way

Study plots pythons' history in Australia

Pacific killer whales are dying—new research shows why

Climate change is resulting in profound, immediate and worsening health impacts, over 120 researchers say

Pilot whale study reveals copycat calls to outsmart predators

Researchers measure electron emission to improve understanding of laser-based metal 3-D printing

K9 chemistry: A safer way to train detection dogs

COVID Pandemic Reduces Seismic Noise

Water samples reveal microplastics in remote Patagonian fjord system

Toxic waste dumping in the Gulf of Guinea amounts to environmental racism

Gaia: Most accurate data ever for nearly two billion stars

Who Will Get COVID Vaccines First and Who Will Have to Wait

Conflicts of Interest and COVID

When Same-Sex Mating Makes Reproductive Sense

China: Moon probe preparing to return rock samples to Earth

Midday fireball, boom thrill gazers from Ontario to Virginia

NASA: Mystery object is 54-year-old rocket, not asteroid

New activity found for CHD7, a protein factor vital in embryonic development

Once in a lifetime floods to become regular occurrences by end of century

Why does it matter if most Republican voters still think Biden lost?

The way we express grief for strangers is changing

Medicine-carriers made from human cells can cure lung infections

Understanding bacteria's metabolism could improve biofuel production

Cluster of Alaskan islands could be single, interconnected giant volcano

Incredible vision in ancient marine creatures drove an evolutionary arms race

Scientists predict 'optimal' organism stress levels

Voyager spacecraft detect new type of solar electron burst

Fair value? Fixing the data economy

The Denisovans Expand Their Range Into China

Satellite-tagged bottles show promise for tracking plastic litter through rivers