Add Yahoo as a preferred source to see more of our stories on Google. Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than ...

Best time to see: All month, especially 2, 14–17 and 28 November ...

Northern Hemisphere celestial highlights for November 2026, with a supermoon, Mercury rising and a conjunction of Mars and ...

Looking for a sky event this week? Check out our full Sky This Week column. November 1: The Moon in Cancer The Moon slides ...

Eyes to the sky in November for a planetary conjunction, three meteor shower peaks, and a bright supermoon!

At first glance, Jupiter’s moon Io hardly looks real. Its surface is covered in swirls of yellow, orange, red, white, and ...

NASA’s Juno spacecraft has discovered that Jupiter uses a surprisingly complex system of powerful plasma waves and multiple ...

Jupiter, the largest planet in the solar system, was 2 to 2.5 times bigger in its earlier life, according to new research. Credit: NASA / JPL-Caltech / SwRI / MSSS / Tanya Oleksuik Jupiter, the ...

On Tuesday, Oct. 6, the moon will occult Jupiter before sunrise, creating a rare celestial spectacle visible across eastern North America and beyond.

Observations of Jupiter show that ammonia is unevenly distributed in the upper atmosphere, against expectations of uniform mixing. Scientists found evidence for a complicated but apparently real ...

A University of Iowa-led research team has reported in a new study the most detailed observations to date of the bow shock at Jupiter, our solar system's gas giant. The findings from NASA's Juno ...

For over 50 years, we thought we knew the size and shape of Jupiter, the solar system's largest planet. Now, Weizmann Institute of Science researchers have revised that knowledge using new data and ...