Entropy (noun, “EN-troh-pee”) Entropy is a measure of the randomness of particles and energy in a system. High entropy means high randomness. Low entropy means low randomness. Imagine building a…

The Artemis II astronauts have safely returned from their historic voyage around the moon. On April 10, their Orion spacecraft entered Earth’s atmosphere at more than 38,000 kilometers per hour…

After the asteroid impact that wiped out the dinosaurs, life seems to have bounced back with surprising speed. The first wave of marine species emerged within a few thousand years…

One warm morning in the summer of 2025, the Beaver Brigade marched into Bernheim Forest. This woodland spans more than 16,000 acres (6,475 hectares) in north-central Kentucky. Every other month,…

Phones, tablets and other electronic gadgets display lifelike images and play realistic sounds. What’s next? Maybe, making virtual objects feel real. A new device that’s worn on your fingertip —…

Even a brief glance reveals that the platypus is a pretty weird creature. It looks sort of like a beaver that tried to disguise itself as a duck. In fact,…

HOUSTON — After five days in space and five decades of waiting, astronauts just got a view of the moon unlike any other. The Artemis II mission’s Orion spacecraft looped around…

Good luck keeping yellow jackets from hovering over your dinner plate at a backyard barbecue. These wasps can track tasty smells — and then hang out to grab a bite…

Technofossil (noun, “Tek-no-FAH-sil”) A technofossil is an object that could offer future archaeologists clues about our modern life. A technofossil is not a true fossil. Real fossils are remnants of…

“AI is like a helper, like an enhancer,” says Dharunish Y. This high-school junior in Pennsylvania thinks AI-based chatbots, such as ChatGPT or Claude, can help people code, generate ideas…