A new study reanalyzing 14 years of Hubble data weakens evidence for water vapor plumes on Europa, though scientists say the ...

The largest moon in the solar system — Jupiter’s Ganymede — has a unique and inexplicable magnetic field. New research could ...

Ganymede and Europa transit Jupiter tonight, while Io disappears in an occultation. West Coast observers can catch a double ...

Galileo’s warning about scientific consensus still resonates centuries later as modern discoveries continue overturning ...

See dazzling planets, the Milky Way and a trio of celestial animals brightening the spring sky around May's new moon.

The extended mission will continue until the spacecraft dies. Though Juno will eventually fall toward Jupiter as its trajectory degrades, NASA says it poses no risk of crashing into or contaminating ...

May will play host to one of the most interesting lunar events of 2026, beginning Friday night: two full moons. The rare pair will bookend the month, with the first full moon arriving Friday, the ...

Sky-gazers will be in for a treat this month with two full moons gracing the sky. The first, which has the nickname the flower moon, will peak at 1:23 p.m. ET Friday. However, it will appear full ...

The month of May begins and ends with a full moon. Neat, huh? That means stargazers will be treated not only to the full Flower Moon on Friday, May 1, but a rare blue moon happening May 31. And as it ...

Sky watchers will be getting a double lunar treat in May 2026, with two full moons set to glow in the night sky during the same calendar month. The so-called “flower moon” will be turning full on May ...

May will feature two full moons, one on May 1 and another on May 31. The first full moon is called the flower moon, while the second is known as a blue moon. The blue moon on May 31 will also be a ...