When there are two full moons in a single calendar month, the second one is referred to as a blue moon. This month, the first full moon was on May 1, and a second one will occur early Sunday morning.

A second full moon in a calendar month will occur on May 31 and be best seen at moonrise on May 30. Why is the Blue Moon one ...

The next full moon, a harvest moon, will be visible on Sept. 17 at 10:34 p.m., according to TimeandDate.com. Ahead of the full moon, the first quarter moon will appear on Sept. 11 at 2:06 a.m., ...

A 4-billion-year-old volcano? New research finds that Io, the solar system’s most volcanically active moon, can brag just that. A recent study of Io’s sulfurous atmosphere suggests that Jupiter’s moon ...

Using data from the Webb space telescope, a team of researchers is suggesting that Neptune’s moon Nereid is the only survivor ...

Berkeley — Using a state-of-the-art computer model of the lunar interior, geophysicists at the University of California, Berkeley, have shown that a mighty burp early in the moon’s history could ...