This chart, from around 1660, shows the signs of the zodiac and a model of the solar system with Earth at the centre. For decades or even centuries after Kepler clearly demonstrated that not only is ...

The Journal of College Science Teaching provides a forum for the exchange of ideas on and experiences with undergraduate science courses, particularly those for nonscience majors. JCST also reports ...

Gravitational waves (GWs) are “ripples in space-time”. The detection of gravitational waves (GWs) is critical to the understanding of the origin and evolution of stars, galaxies, and the Universe. At ...

This illustration of the large GRB ring, and the inferred underlying large-scale structure, shows what might be responsible for the pattern we've observed. However, this may not be a true structure, ...