The moon greets Jupiter two days ahead of its full moon phase on Feb. 1.
Astronomy on MSN
The sky today on Tuesday, January 13: Ganymede's turn to transit
Looking for a sky event this week? Check out our full Sky This Week column. January 12: Io's post-opposition transit Point your telescope at bright Jupiter in Gemini to catch a transit of the large ...
Looking for a sky event this week? Check out our full Sky This Week column. January 20: Comet Schaumasse slides by some ...
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 ...
Add Yahoo as a preferred source to see more of our stories on Google. On Dec. 28, 2000, NASA’s Galileo spacecraft discovered auroras on Ganymede, Jupiter’s largest moon. Galileo launched in 1989 on a ...
Astronomy on MSN
February 2026: What's in the sky this month? Jupiter continues to dominate the night; Mercury, Venus, and Saturn are visible
Mercury, Venus, and Saturn put on an early-evening display in the west, while Jupiter dominates the rest of the night.
When searching for the unknown, classic physics wisdom holds that a bigger detector boosts the chances of discovery. A physicist is taking that advice to heart, advancing a bold plan to use none other ...
Jupiter's moon count reaches 95+ official satellites. Explore the history of the Jovian system, from Galileo to the latest NASA discoveries.
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