Looking for a sky event this week? Check out our full Sky This Week column. January 12: Io's post-opposition transit Point ...
On Dec. 28, 2000, NASA’s Galileo spacecraft discovered auroras on Ganymede, Jupiter’s largest moon. Galileo launched in 1989 on a mission to study Jupiter and its moons. It also flew by Venus and ...
The solar system’s largest planet shines bright as the Moon wanes and Saturn’s moons dance in the sky this week.
Jupiter’s moon Ganymede could be a vast dark matter detector, and upcoming space missions might be able to spot distinctive dark matter craters on its ancient surface. Physicists searching for dark ...
Jupiter will be at its most spectacular in 2026 in the early hours of Jan. 10, as it shines above the eastern horizon among ...
The wolf moon is spectacular enough, but look east and you’ll see a celestial titan the size of a pinprick ...
Jupiter reaches opposition on Jan. 10, when it will shine all night at its brightest as Earth moves between the giant planet ...
The final night of 2025 is the perfect time to watch the moon close to the Pleiades, find the brightest star in the night sky and see Jupiter close to its best.
Jupiter, the largest planet in the solar system, will emerge near sunset, stay in view through the night and only dip below ...