To say sharks are ancient is a behemoth of an understatement. They evolved around 450 million years ago, before Saturn’s ...

Fresh off the excitement of the Perseids meteor shower is a chance to see six planets lined up in the sky at once. These events, colloquially known as planet parades, occur occasionally with the most ...

Star clusters are stellar groups held together by gravity, which are born together in cosmic nurseries. Open clusters, such as the Hyades and Pleiades, are youngish and look like loose groups ...