
How the First Life on Earth Survived Its Biggest Threat—Water
Living things depend on water, but it breaks down DNA and other key molecules. So how did the earliest cells deal with the water paradox?
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How the First Life on Earth Survived Its Biggest Threat—Water
Living things depend on water, but it breaks down DNA and other key molecules. So how did the earliest cells deal with the water paradox?

Asteroid Dust Recovered from Japan’s Daring Hayabusa2 Mission
Scientists hope the dark grains from asteroid Ryugu will improve their understanding of the solar system’s formation

DeepMind’s AI Makes Gigantic Leap in Solving Protein Structures
Google’s deep-learning program for determining the 3-D shapes of proteins stands to transform biology, scientists say

Pandemic of Hunger
COVID-19 is straining African food security but also presents an opportunity for change

Legendary Arecibo Telescope Will Close Forever, and Scientists Are Reeling
A new satellite image reveals the damage that shut down the facility, ending an era in astronomical observation

Fast Coronavirus Tests: What They Can and Can’t Do
Rapid antigen tests are designed to tell in a few minutes whether someone is infectious. Will they be game changers?

The Antibiotic Gamble
Paratek Pharmaceuticals made a life-saving drug and got it approved. So why is the company’s long-term survival still in question?

Prospects for Life on Venus Fade—but Aren’t Dead Yet
Debate continues over a controversial report of phosphine in the planet’s atmosphere, as researchers reanalyze data and find a fainter signal

COVID Vaccine Excitement Builds as Moderna Reports Positive Result
Preliminary data show that the immunization is 94 percent effective and seems to prevent severe infections

China Set to Retrieve First Moon Rocks in 40 Years
Chang’e-5 has just one lunar day to collect material from a previously unexplored region of the moon’s near side

How to Stop Restaurants from Driving COVID Infections
Mobile phone data suggest restaurants, gyms and cafés can be COVID hotspots—and reveal strategies for limiting spread

Scientists Relieved as Joe Biden Wins Tight U.S. Presidential Election
The new president has the opportunity to reverse four years of anti-science policies—but he has a hard road ahead as he inherits a nation divided

What 50 Gravitational-Wave Events Reveal about the Universe
Astrophysicists now have enough black-hole mergers to map their frequency over the cosmos’s history

‘Like Froth on a Cappuccino’: Spacecraft’s Chaotic Landing Reveals Comet’s Softness
Detective work reconstructs the final movements of the European Space Agency’s Philae probe

Why COVID Outbreaks Could Worsen This Winter
It’s too soon to say whether COVID is seasonal like the flu—but where clusters aren’t under control, infections will continue to swell

COVID-19 Herd Immunity Strategies Could Bring ‘Untold Death and Suffering’
Why proposals to largely let the virus run its course—embraced by Donald Trump’s administration and others—are a false promise

This Beetle's Stab-Proof Exoskeleton Makes It Almost Indestructible
Jigsaw-puzzle-shaped seams that hold a notoriously tough insect’s wing cases together could inspire engineers

Human Challenge Trials Will Deliberately Infect Dozens in the U.K.
Proponents of the trials say they can be run safely and help to identify effective vaccines, but others have questioned their value

First Room-Temperature Superconductor Excites and Baffles Scientists
A compound of hydrogen, carbon and sulfur has broken a symbolic barrier—but its high-pressure conditions make it difficult to analyze

What China’s Speedy COVID Vaccine Deployment Means for the Pandemic
China has promised vaccines to many countries, but whether it can meet its commitments is unclear

Last Chance for WIMPs: Physicists Launch All-Out Hunt for Dark Matter Candidate
Researchers have spent decades searching for the elusive particles. A final generation of detectors should leave them no place to hide

Diagnosing COVID From a Person’s Voice
Researchers are exploring ways to use people’s vocalizations to diagnose coronavirus infections, dementia and depression

What a Joe Biden Presidency Would Mean For Science
The coronavirus pandemic, climate change and space exploration are among the issues that Biden will influence if he wins the upcoming U.S. election

‘Apocalyptic’ Fires Are Ravaging the World’s Largest Tropical Wetland
Infernos in South America’s Pantanal region have burned twice the area of California’s fires this year