Meet M13, the Great Cluster in Hercules

Many stargazers call it the finest globular cluster in the northern half of the heavens. It’s M13, also known as the Great Cluster in Hercules. Source: https://earthsky.org/clusters-nebulae-galaxies/m13-finest-globular-cluster-in-northern-skies…

Early Riser or Night Owl? New Study May Help To Explain the Difference

Some people are early risers, wide awake at the crack of dawn. Others are night owls who can’t seem to get to bed until well after midnight and prefer to sleep in. Why is this? An NIH-funded team has some new clues based on evidence showing how a molecular “switch” wired into the biological clocks of extreme early risers leads them…

Cold Moon to prelude Geminid peak

At northerly latitudes, the Cold or Long Night Moon – this wonderful nocturnal sun – gives us a much appreciated reprieve in the season of diminished daylight. Source: https://earthsky.org/tonight/cold-moon-to-prelude-geminid-peak…