Star trails are the visible imprint of Earth's rotation. As our planet spins around its axis, the stars appear to sweep ...

The night sky will show a rare alignment of planets in the night sky, with Venus and Mercury visible the morning of Tuesday, Nov. 25.

Moon and Star Chain used as bracelet, anklet or necklace - "Night sky" jewelry set Depending on the length and the ...

Saturn stunned skywatchers on 23 November when its iconic rings seemed to vanish, leaving the planet looking strangely bare.

Want to fill your house with a cosmic display, without breaking the bank? We've rounded up the best Black Friday star projector deals.

The inner planets Mercury and Venus will both be visible in the east-southeast sky before sunrise on Tuesday, Nov. 25.

Bright winter nights and festive garden lights are disrupting the natural rhythms that guide birds and plants. Here’s how to reduce the impact ...

Hidden in the heart of Florida, far from the mouse ears and beach umbrellas that dominate the state’s postcard racks, lies a slice of paradise that feels like stepping into a time machine set for ...

In the dense environment of the early universe, dark matter particles would collide with, and annihilate, each other, ...