When you look up at the night sky, planets seem calm and fixed. But a new study shows that nearby planetary systems can be ...

The interstellar comet 3I/ATLAS has started to brighten and dim in a remarkably steady rhythm, repeating every 16.16 hours as it sweeps through the inner solar system. That optical heartbeat has drawn ...

The Crab Nebula has been one of astronomy’s most scrutinized objects for nearly a millennium, yet Hubble’s first fresh look ...

When interstellar comet 3I/ATLAS made its closest approach to Earth on December 19, 2025, it did not become a spectacular object in the night ...

Comet 3I/ATLAS X-ray observations reveal hidden hydrogen and nitrogen, offering rare chemical insight into an interstellar ...

In a first, researchers from the U.S. and Germany excite Thorium-229 in opaque material, advancing optical nuclear clocks.

Southwest Research Institute's novel Compact Dual Ion Composition Experiment (CoDICE) instrument aboard NASA's Interstellar ...

Optical techniques are methods that use light to probe or control matter. One prominent example is optical spectroscopy, which includes such methods as pump–probe spectroscopy, Raman spectroscopy and ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

Now in its ninth year, our annual poll showcases 255 vital video essays, nominated by 72 international voters.

Ireland is well-known for its rich musical heritage and its vast collection of ancient musical instruments spanning more than 3000 years from the Late Stone Age through to the Early Medieval Period ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Dr. Melody Bell is a personal finance expert, entrepreneur, educator, and researcher. Melody now develops ...