You might have seen an interesting phrase popping up in your social media feeds lately: "Chiron is in retrograde." If you're ...

A formation known as the "Dumbbell Nebula" – nicknamed because it looks like a dumbbell – should be easy to spot throughout ...

The Hubble Space Telescope captured imagery of Jupiter and its Great Red Spot in 2023 and 2024. Credit: NASA, ESA, J.

Instead, scientists are looking into existing spacecraft already in orbit around other planets. Harvard Professor Avi Loeb ...

Jupiter's four Galilean moons will line up in front of Jupiter in the early morning sky on Aug. 8. The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up ...

From meteor showers to visible nebulas, August is primed to be an action-packed month for stargazers in the United States. ...