Greetings, stargazers. Emission nebulae are the subject of many of the most spectacular astrophotographs published in the last decade. Although there are many subcategories of nebulae, they all ...

A new study has shown that as early as the Stone Age, people in Africa traveled long distances to procure colorful stone, the ...

Ultramarine dye was the most expensive in Europe until the 19th century, as the lapis lazuli from which it was produced was ...

Bechtol and his fellow scientists hope they can learn more about the universe than all of scientific progress has allowed in ...

The underrated Voyageurs National Park is the best place to view one of the Earth's most incredible natural phenomena.

By improving sensitivity and boosting signal amplification, nanomaterials are heralding a new era for biomarker detection.

International research team from the University of Tübingen and the Senckenberg Nature Research Society finds early humans in ...

Photo: Gregor Bader The Mgwayiza Valley in Eswatini A new study has shown that as early as the Stone Age, people in Africa ...

Beat the summer heat with (literally) cool gear for hiking, cycling, running, and surfing. Check out the latest and greatest ...

We find that, for the first time in the investigation of high-order harmonic generation in two color laser fields that atomic energy level structure will greatly affect high order harmonic generation.

Listen for both simultaneous effects. Reason: noise from a fast-approaching police car may strike your ear at 820 mph while the retreating vehicle’s warble arrives at only 690 mph. Proof that sound, ...