Understanding Light in the Stone Age: A Historical Perspective

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The Stone Age was a period of time when humans used stone tools instead of metal tools. It did not have a "light" discovery moment associated with it.

The Sun's Influence on Earth's Atmospheric Cycles

The Division: Where Does the Fictional Organization Exist?

Astronomy

New Study Shows Space Radiation Becomes More Dangerous for Astronauts

UK Excluded from EU's Galileo Satellite Contracts, Government Issues Statement

Caltech Astronomers Identify Two New Polar White Dwarf Systems

Science Discoveries

End-Cretaceous Extinction Sparked the Rise of Modern Shark Diversity

The Egg Nebula: A Pre‑Planetary Nebula Revealing Stellar Transformation

First Direct Observation of Gulf Stream Ocean Mixing

Science Discoveries

Astronomy

India Announces Compact Space Station Plan for the Next Decade

Inside Virgin Galactic: How the Space Tourism Company Operates

Japanese Astronomers Probe Magnetar XTE J1810-197 with Multi-Frequency Radio Observations

NASA Deciphers Sand‑Clouds on Distant Exoplanets

Hubble Image Reveals Active Black Hole in Spiral Galaxy NGC 7172

NASA Chooses Four Astrophysics Missions to Probe Star Explosions, Galactic Collisions, and Exoplanet Atmospheres