Under this new model, Titan itself is the result of a collision between two earlier moons: a large body called “Proto-Titan,” nearly as massive as modern Titan, and a smaller companion dubbed ...

In late winter, the zodiacal light is visible in the evening in the Northern Hemisphere (false dusk) and in the pre-dawn morning in the Southern Hemisphere (false dawn). In early autumn, the timing ...

Satellites have captured incredible views of the Feb. 17 annular solar eclipse as the moon's shadow swept across a remote ...

After Titan's violent birth, its new orbit destabilized smaller moons. Resonant tugs drove collisions among Saturn's inner satellites. Most fragments would recombine into moons, but ice debris ...

Debris from the collision could have formed another moon of Saturn called Hyperion, and affected the tilt of Saturn itself.

Early on Tuesday, Feb. 26, a rare annular solar eclipse created a “ring of fire” over Antarctica, while South Africa and Indian Ocean locations saw partial phases.

Celestron FirstScope 76: Very affordable and ideal for kids or as a quick backyard scope. Despite the small size, you can easily catch the craters of the moon and even glimpse Jupiter’s moons.

Bruneau Dunes State Park rises from the high desert like a mirage, except this vision doesn’t disappear when you approach – it only becomes more spectacular. Mountains of sand tower against an azure ...