These next two weeks bring us a potentially thrilling partial eclipse of the sun and amazing sights of Venus in its once-every-eight-years steepest departure from the evening sky.

As the moon reflects the sun's light, the shadow dims the moon's glow. During the peak of a total lunar eclipse, the moon ...

Firefly's Blue Ghost, which landed on the moon on March 2, took some stunning first-ever photos of a total solar eclipse — ...

More than 50 years after Apollo 8’s legendary Earthrise photo, a new image from the Moon’s surface delivers a hauntingly ...

A Sun-Times photographer joined stargazers at Montrose Harbor as the Earth’s shadow began to move across the moon early ...

The celestial event marked the third full Moon of 2025, also known as the Worm Moon. The Moon reached its peak full Moon ...

Eventually, the dark umbra shadow appeared and slowly enveloped the moon, until we saw the distinctive color at totality when the moon is completely in the Earth’s umbra. Clouds really enhanced and ...

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

West Texas residents can potentially see a "Blood Moon" late Thursday evening and into Friday morning.A lunar eclipse can be seen starting late Thursday night i ...

When sunlight hits Earth’s atmosphere during a lunar eclipse, light frequencies toward the blue end of the visible spectrum ...

North America is set to experience its first total lunar eclipse this week in several years, coloring the moon a deep, reddish hue.

We all know rainbows-those colorful arcs that appear after rain when sunlight bends through water droplets. But have you ever ...