Skywatchers on Thursday evening, Feb. 6, will notice an eye-catching pairing-off between two of the brightest objects in the ...

Jupiter and its four planet-size moons, called the Galilean satellites, were photographed by Voyager 1 and assembled into this collage. They are not to scale but are in their relative positions.

orbit of any known planet. It appears to be a juvenile planet that is in the midst of becoming a hot Jupiter, ... Stench of a Gas Giant? Nearby Exoplanet Reeks of Rotten Eggs, and That's a Good ...

15, Galileo correctly concluded that he had discovered four moons orbiting around ... Launched in April 2023, JUICE will first enter orbit around Jupiter in 2031 and then enter orbit around Ganymede ...

TEMPLE, Texas — Italian astronomer Galileo Galilei advanced the field of astronomy on Jan. 7, 1610 - 415 years ago from Tuesday - by discovering the existence of Jupiter's moons. His discovery ...

Europa Clipper - one of the most advanced spacecraft ever sent to another planet - aims to explore Jupiter's icy moon ...

On this date, Jan. 17, 2002, the Galileo probe made it’s 33 rd pass of Jupiter’s moon, Io. After Voyager 1’s pass in 1979, Io was dubbed the most volcanically active place in the solar system.

Hot Jupiters, similar in mass to Jupiter, orbit very close to their star, much closer than Mercury is to the Sun. They can't form close to the star due to insufficient gas and dust, so they form ...

Missed January's planetary parade? February 2025 offers another celestial spectacle. Discover when, where & how to catch ...

When an exoplanet is discovered, scientists are quick to describe it and explain its properties. Now, we know of thousands of them, many of which are members of a planetary system, like the well ...

Opinions expressed by Forbes Contributors are their own. Jamie Carter is an award-winning reporter who covers the night sky. Jupiter, as seen by NASA’s Juno spacecraft on Dec. 28, 2024, during ...