Science Journal
New Study Reveals Dark Side of Outdoor Night Lighting
Global night light is getting bigger and brighter, blotting out the stars of the Milky Way for one-third of humankind, according to a new study of federal satellite data measuring outdoor lighting. 99
Everyday Physics
The Very Different Ways Cardinals and Blue Jays Get Their Hues
What makes cardinals red and blue jays blue? Helen Czerski on the hidden science of nature’s ways of making color.
Fruit, Veggies and How to Depict The Universe
Questionnaires and mathematics share a goal: to depict a complex world. Eugenia Cheng on how the pitfalls and strategies common to both.
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The Secret to Tech’s Next Big Breakthroughs? Stacking Chips
Microchips, once always thin and flat, now are getting stacked like pancakes and becoming 3-D—with big consequences for all our devices.
Artificial Intelligence Fuels Chip-Making Arms Race
With sales of smartphones and personal computers cooling, Nvidia, Intel, AMD and a raft of startups are crafting new processors to tap into a broader AI market that is growing 50% a year.
Science Video
Metric vs. Imperial: Three Measurement Mishaps
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Nearly 50,000 Flee Bali Amid Threatening Volcano Eruption
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Cassini: 20-Year Saturn Mission Nears Grand Finale
10:39Photos
Robotics & Engineering
Space
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More Science News
What to Give: Books on Science
Steven Poole recommends the best books to give to the science lover in your life.
A Litigious Climate Threatens Scientific Norms
An energy researcher sues another over a critical paper. It’s the wrong way to resolve such disputes. 436
The Hype of Virtual Medicine
High-tech health care hasn’t proved effective at changing patients’ bad habits.
A Deceptive New Report on Climate
True, the U.S. has had more heat waves in recent years—but no more than a century ago. 801
The Power of Pretending: What Would a Hero Do?
Children who pretend that they are Batman (or other heroic figures) do better on measures of self-control and persistence. Alison Gopnik on the power of pretending.