For the past decade, gravitational wave astronomy has opened our eyes to amazing cosmic phenomena thanks to LIGO, the Laser ...

During its "new moon" phase, the moon is always "black". It happens at that time of the month when the moon passes through the same part of the sky as the sun and as such, the moon's dark or ...

Planck's constant reveals the quantum world's fundamental energy levels. It shows how light and matter exist in discrete units (quanta). This constant defines limits to our knowledge of particle ...

An interest in astronomy may strike early in life or later. Regardless of what lit the fire of that interest, you need ...

A full moon, nicknamed the "Corn Moon," is slated for Sunday, Sept. 7, but there are several other astronomy events to keep in mind for the month. The planet Saturn will be at its biggest and ...

Before defining what a light-year is, we should define what a light-year is not: It is not a measure of time, but rather a measure of distance. The confusion arises from the “year” that comes at the ...