Engineers reinvent the 5,000-year-old gear using fluids instead of solid teeth.

Have you ever heard of motion capture? It is special technology that is used to record the way that people and objects move.

What are the differences between how AI systems handle JavaScript-rendered or interactively hidden content compared to ...

The key themes that defined the year behind us will also shape the one ahead. The most-read articles of 2025 tracked a return ...

Interstellar objects like 3I/ATLAS are most likely to enter our solar system from two specific directions, a new study suggests. What does it mean for Earth? When you purchase through links on our ...

Researchers at Science Tokyo have developed a neural inverse rendering method that accurately reconstructs the three-dimensional (3D) shapes of moving objects using only three standard projection ...

During its mission, Stardust captured an impact traveling at a velocity nearly 19 times the speed of sound—far faster than mission planners ever anticipated. The strike left sensors rattled and data ...

Shannon Pruden receives funding from National Institutes of Child Health and Human Development and National Science Foundation. Karinna Rodriguez does not work for, consult, own shares in or receive ...

This week's science news was led by a spate of climate stories that were as worrying as they were fascinating. Topping the bill are microbes that were woken up after lying frozen in the Alaskan ...

3I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some researchers suggest it could even be alien-made, drawing comparisons to probes ...

A new listing of the 50 most concerning pieces of space debris in low-Earth orbit is dominated by relics more than a quarter-century old, primarily dead rockets left to hurtle through space at the end ...