Radio telescopes let you study the universe by collecting faint radio waves from distant objects. To see extremely small ...

Why does light choose the path it does when crossing between media? 🌈 This video presents a clear max–min derivation of Snell’s Law from Fermat’s Principle, showing how extremizing travel time leads ...

In A Nutshell A black hole in the early universe is eating 13 times faster than a classic physics rule says is possible It’s ...

The Motley Fool surveyed 2,000 retirees on what matters most in retirement and used those insights to rank the best places to ...

In 2023, a team of physicists from Sandia National Laboratories announced a major discovery: a way to steer LED light. If ...

The National Oceanic and Atmospheric Administration is predicting a G4-level geomagnetic storm after a long-duration solar ...

Artificial light at night extends pollen season and increases allergen exposure in Northeastern United States cities. Lin ...

Earth's magnetic field was struck by a "severe" solar storm Monday (Jan. 19), triggering vibrant auroras in the U.S. and ...

After the Big Bang, the Universe entered a long, dark period before the first stars formed. During this era, hydrogen emitted a faint radio signal that still echoes today. New simulations show this ...

We talk with a NOAA scientist about the Northern Lights, and why their visibility seems to be increasing.