These Climbers Summited Mount Everest in Record Time. Did Inhaling Xenon Help?
British climbers recently reached the top of Mount Everest in record time. They inhaled xenon gas before the trip. But was that the decisive factor?
YouTube Science Star Derek Muller Confronts PFAS “Forever Chemicals”—In His Own Blood
Bending Ultrasonic Beams Creates ‘Audible Enclaves’ Where They Cross
Why Is NASA Shuttering This Iconic Institute in New York City?
Spellements: Thursday, May 29, 2025
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Oil Industry Opposes a Planned Rule to Limit Heat Deaths among Workers
![A team of astronomers combined data from NASA’s Chandra X-ray Observatory and the SKA [Square Kilometer Array] Pathfinder (ASKAP) radio telescope on Wajarri Country in Australia to study the antics of the discovered object, known as ASKAP J1832−0911 (ASKAP J1832 for short), located 15,000 light-years from Earth.](https://static.scientificamerican.com/dam/m/2adda471cf436f3/original/ASKAP-J1832.jpg?m=1748455653.661)
Astronomers Discover Mysterious Object Bursting with X-Rays
SpaceX's Ninth Starship Test Flight Delivers Mixed Results
Elon Musk’s Grok Chatbot Has Started Reciting Climate Denial Talking Points
The Quantum Bubble That Could Destroy the Universe
DNA Studies Uncover Unexpected Evolutionary Changes in Modern Humans
How many words can you create?
Stretch your math muscles with these puzzles.
Inside the AI Competition That Decoded an Ancient Herculaneum Scroll
Building Intelligent Machines Helps Us Learn How Our Brain Works
God Chatbots Offer Spiritual Insights on Demand. What Could Go Wrong?
Will Machines Ever Become Conscious?
Scientists Are Putting ChatGPT Brains Inside Robot Bodies. What Could Possibly Go Wrong?
Building an LLM for Dolphin Chatter
Could Mitochondria Be Rewriting the Rules of Biology?
Accidental Alchemy, Flamingo Food Tornado, and Kosmos-482 Lands
Polar Geoengineering Experiments Bet Big on Freezing Arctic Ice
Can Sunlight Cure Disease?
Sunshine may hold healing rays for a variety of autoimmune diseases such as multiple sclerosis. Scientists are turning this surprising discovery into treatments
Mitochondria Are More Than Powerhouses—They’re the Motherboard of the Cell
When these energy-giving organelles thrive, so do we
DNA Studies Uncover Unexpected Evolutionary Changes in Modern Humans
Mounting evidence from genome studies indicates that, contrary to received wisdom, our species has undergone profound biological adaptation in its recent evolutionary past
Inside the Bold Geoengineering Work to Refreeze the Arctic’s Disappearing Ice
Researchers are trying to rebuild sea ice above the Arctic Circle so it can reflect the sun’s warming rays, slowing climate change
Single Atom Acts as a Quantum Computer and Simulates Molecules
A quantum computer has used a single atom to model the complex dynamics of organic molecules interacting with light
Cats Are Perfect. An Evolutionary Biologist Explains Why
Cats have attained evolutionary perfection
