Looking for a sky event this week? Check out our full Sky This Week column. October 12: The Saturn Nebula shines Last Quarter ...

The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up next to the "King of the Planets" as it voyages through the stars of the constellation Gemini.

In a little less than a year from now, Jupiter and the moon will be part of one of the best celestial highlights of 2026. On the morning of Oct. 6, much of North America will be treated to a ...

KNARESBOROUGH, UK — It's a cold afternoon in the charming village of Knaresborough in Yorkshire, England. Some are out braving the weather, but not me. I'm sitting in a cozy studio, studying the ...

One of those objects is M63, also known as the Sunflower Galaxy. It lies relatively close to the constellation’s alpha star, magnitude 2.9 Cor Caroli. From this sun, move your telescope 5.3° to the ...

The NASA/ESA/CSA James Webb Space Telescope has provided the first direct measurements of the chemical and physical ...

Webb Telescope spots a carbon-rich disk around a distant planet, CT Cha b, offering rare clues to how moons may form.

Webb Telescope is investigating the formation of moons around a massive planet. Astronomers are using the data to study the ...

Jupiter's visibility diminishes throughout May, offering optimal viewing in early May before setting earlier each night. Observational highlights include Galilean moon transits and occultations, ...

Scientists have developed a new method using knot theory to find the optimal routes for future space missions without the need to waste fuel. Just as sat-nav did away with the need to argue over the ...

NASA’s Europa Clipper spacecraft launched at 12:06 p.m. Monday, beginning a nearly six-year, 1.8-billion-mile voyage to Jupiter, where it will study the frozen moon Europa, scanning below its ...