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5,300-year-old 'bow drill' rewrites story of ancient Egyptian tools

Launch to ISS pushed to Thursday over weather: NASA

Why elite chess ratings get stuck: A new model treats draws as data

The North American wild mountain sheep could face extinction unless habitat gets protection, say experts

Reparations research highlights roots of African inequality

Physicists clarify key mechanism behind energy release in molybdenum-93

When Valentine's Day forces a relationship reckoning

Why walking in a national park in the dark prompts people to turn off lights at home

The brilliant and bizarre ways birds use their sense of smell—from natural cologne to pest control

Drastic seaweed growth threatens marine life and fishing—but also offers opportunities

Why do disasters still happen, despite early warnings? Because systems are built to wait for certainty

How husbands and wives try to find a balance between beauty and status—new research

Looking for advanced aliens? Search for exoplanets with large coal deposits

Why melting glaciers are drawing more visitors and what that says about climate change

Scientists harness nature's chirality bias to design series of complex mechanically interlocked molecules

Rural backlash against green levies 'rooted in sense of unfairness'

Quantum dots reveal entropy production, a key measure of nanoscale energy dissipation

New study reveals why adults go missing repeatedly—and how better support could break the cycle

Tree planting can combat urban heat, but some neighborhoods are falling behind

Leading AI models struggle to solve original math problems

Simple at-home tests strips can detect cat and dog viruses

A long-lost Soviet spacecraft: AI could finally solve the mystery of Luna 9's landing site

How fast can a microlaser switch 'modes?' A simple rule reveals a power-law time scaling

Third exoplanet detected in the planetary system HD 176986

How big can a planet be? With very large gas giants, it can be hard to tell

How an ancient seafloor turned Arkansas into 'Sharkansas,' a shark fossil hotspot

Research finds AI-integrated coursework strengthens student learning and career skills

First evidence of a subsurface lava tube on Venus

SpaceX shifts focus from Mars to moon, Musk says

US astronaut to take her 3-year-old's cuddly rabbit into space

As the climate changes, what does the future hold for the Winter Olympic and Paralympic Games?

Ordered 'supercrystal' could make lasers faster, smaller and more efficient

The Arctic's first inhabitants shaped thousands of years of ecological development

Bunnings' backyard pods won't fix the housing crisis, but they signal a shift

Functional forecasting: Using Homeland Security exercises to evaluate storm decision support tool