Twenty-five years ago, a little girl with a bob haircut appeared on our TVs, speaking a mix of English and Spanish, with a ...

PhoSim simulates the atmosphere, including air turbulence, as well as distortions from the shape of the telescope’s mirrors and the electrical properties of the sensors. The photons are propagated ...

The Trump administration is pushing to reshape the federal housing safety net by shifting the burden of housing millions of ...

June 23, 2025 • The Vera C. Rubin Observatory has just released some of its first images. Its powerful new telescope will be able to quickly spot previously unseen astronomical objects.