The universe is expanding. That much is clearer. But it’s less clear whether this expansion is accelerating or slowing down. At the heart of this upheaval lies the cosmic yardstick astronomers have ...

Recent discoveries in cosmology have left scientists scratching their heads, as they challenge our fundamental understanding ...

The same pulling force that causes “tears” in a glass of wine also shapes embryos. It’s another example of how genes exploit ...

This paper describes the eccentricity, amplitude, phase shift, angular momentum, polarization, radial path, and orbital ...