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2 new studies suggest the subsurface ocean on Jupiter's moon Europa may not be as habitable as previously thought, due to a geologically inactive seafloor.
NASA's Hubble Space Telescope has sent back new images of Jupiter's stormy weather. Hubble monitors the atmospheres of all the giant planets every year.
Did you see the moon and Jupiter close together on March 13, 2024? Check out the images our talented photographers captured, including the Galilean moons!
Jupiter and Uranus will be at heliocentric conjunction on March 14. Their conjunction as seen from Earth will be on April 21.
Researchers at UCLA have found an exoplanet with a tail. The hot Jupiter WASP-69b has a huge comet-like tail of gas 350,000 miles (560,000 km) long.
For the 1st time, astronomers have used an instrument designed to study exoplanets - ESPRESSO, on the Very Large Telescope - to observe the planet Jupiter.
On December 30, 2023, the Juno spacecraft visited Jupiter's moon Io. It was the closest flyby of the volcanic moon in 20 years. See the images here.
How to see Aries the Ram in your night sky with its bright star Hamal, plus info about this constellation in astronomy history and mythology.
Jupiter's Great Red Spot is shrinking! Look at images from the 1800s to now and see how it's gotten smaller and rounder. Submit your own image, too!
The November full moon will fall overnight on November 26-27, 2023. Bright Jupiter will be nearby. And the Pleiades star cluster will lie in the moon's glare.
NASA's Juno spacecraft has found salts and organics on Jupiter's largest moon, Ganymede. They suggest that watery brines came up to the surface from deep below.
The giant planet Jupiter reached opposition this week, coming closest to Earth for the year. In celebration, NASA released this ultraviolet view of Jupiter.
Giant Jupiter is closest to Earth for 2023 on November 1-2. Then Earth will fly between the sun and Jupiter - bringing Jupiter to opposition - on November 2-3.
Jupiter's perihelion, closest point to the sun in 2023, is on November 1-2. The distance between the sun and Jupiter will be 369,964,113 miles (595,399,525 km).
Find the date and time of the Northern Hemisphere's full Hunter's Moon for October 2021, and learn why this moon brightens the evening for a string of days.
The Webb space telescope revealed a jet stream in Jupiter's atmosphere above its equatorial region. The jet stream travels at about 320 mph (515 kph).
October and November 2023 are great months for seeing Jupiter's moons Io, Europa, Ganymede and Callisto with binoculars or a small telescope.
NASA's Webb telescope has captured spectroscopic and infrared views of 2 of Jupiter's moons, Ganymede and Io, providing new insights into these distant worlds.
You can spot the moon near Jupiter overnight on August 8, 2023. The moon and the king of the planets will be about four moon widths apart.
Astronomers using the Keck II telescope in Hawaii have obtained new direct images of a young exoplanet 3 times the mass of Jupiter and 87.5 light-years away.
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