How to see two bright, once-in-a-lifetime comets with your naked eye

Comet Lemmon and Comet SWAN will be closest to Earth as a new moon sets up prime viewing conditions. Add in a meteor shower and we may get spectacular sky gazing.

The playbook for perfect polaritons: Rules for creating quasiparticles that can power optical computers, quantum devices

Light is fast, but travels in long wavelengths and interacts weakly with itself. The particles that make up matter are tiny ...

Two bright comets will swing by Earth this month. Here’s how to see them

Comets SWAN and Lemmon will both swing by Earth and appear bright in the sky near the end of October. Here’s how to see them.

V717 Andromedae is an active low mass ratio contact binary, observations reveal

Astronomers from Australia and Serbia have performed multi-band photometric observations of a binary star known as V717 ...