Sharks are older than a surprising amount of things, both on Earth and in the rest of the universe. While sharks have seen evolutionary changes in the 450 million years they have been around, their ...

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 ...