Imagine a world without the glow of your screen, the hum of your fridge, or the instant communication across continents.

Materials scientists can learn a lot about a sample material by shooting lasers at it. With nonlinear optical microscopy—a ...

Abstract: In this article, we have constructed a high-precision indoor positioning system by leveraging Wi-Fi round-trip time (RTT), magnetic field, and pedestrian dead reckoning (PDR). For the Wi-Fi ...

Abstract: Object detection in unpiloted aerial vehicle (UAV) imagery has been widely applied across various domains. However, the typically small size and uneven spatial distribution of objects in UAV ...

An interstellar visitor to our solar system known as 3I/ATLAS has captivated the public for months, and it's not hard to see why. But for scientists around the world, the discovery that 3I/ATLAS is ...

In 1977, the Ohio State University’s Big Ear radio telescope received an unusually strong narrowband radio signal, leading to widespread excitement about the possibility of having encountered evidence ...

Brazil’s fast and free homegrown digital payment system, PIX, has become wildly popular. The Trump administration says it unfairly undercuts U.S. companies. By Ana Ionova Reporting from Rio de Janeiro ...

3I/ATLAS likely weighs more than 33 billion tons. The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say. A ...

For over two months, astronomers have been closely following an interstellar object — dubbed 3I/ATLAS — as it screams through the solar system at a breakneck speed. The unusual visitor was only the ...

Copyright 2025 The Associated Press. All Rights Reserved. Copyright 2025 The Associated Press. All Rights Reserved. The city center of Essen is seen through the fog ...

Deep space just delivered a new mystery. This video breaks down everything we know so far about this newly discovered interstellar object its speed, trajectory, and what makes it so different from ...

An interstellar visitor is barreling closer to our sun, giving scientists a rare opportunity to observe an object from outside our celestial backyard. The comet 3I/ATLAS is just the third known object ...