Moon is slowly moving away from Earth at a rate of 3.8 centimetres per year. This gradual drift affects Earth’s rotation and ...

For over 400 years, sailors have reported a mysterious phenomenon in which the ocean appears to glow as far as the eye can see.

April’s pink “micromoon” will appear smaller than other full moons this year as it nears its farthest point from Earth in its ...

April’s pink “micromoon” will appear smaller than other full moons this year as it nears its farthest point from Earth in its ...

Those looking up last night already saw a beautiful show as the near-full moon rose in clear skies. Tonight is slightly ...

Meet the author: Dr. Phil Plait is an astronomer, author, and science communicator with a PhD in astronomy at the University of Virginia. He has written four books on astronomy and consulted on space ...

This isotope is found at a ratio of about one per 2,500 helium-4 ions, the latter being the common version of helium.

This “Pink Moon,” otherwise known as the first full moon of the spring season, will reach its peak on Saturday, April 12, ...

Easter falls on the first Sunday after the first full moon after the spring equinox. If you enjoy sitting outside at night, especially during these "cooler" Florida temperatures, you'll be able to see ...

Catch two transits of Io, spot sparkling star clusters, and view Mars at aphelion while the April Full Moon lights the sky ...

There is no other moon quite like our own in the entire solar system. The Moon is unique in a lot of ways, some of which are ...

A pair of white dwarfs, located just 150 light-years from Earth, appears doomed to die in a type 1a supernova that will shine ...