On February 28th, 2025, a rare planetary alignment will grace skies worldwide. Discover where to witness this wonder.

"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." Spirals are a repeating theme in ...

Exciting February sky events include Venus at its brightest and closest to Earth, the moon occulting the Pleiades, and a parade of planets in the post-sunset sky.

The planet is lost in twilight over the next few days. The Moon occults some stars in the Pleiades early on the evening of Jan. 9. The event takes place in darkness on the East Coast and begins in ...

The parade of planets, when all seven of earth's solar system neighbors can be seen in the night sky, starts Friday and continues through next week.

A rare celestial event will take place on February 28 this year, when all seven planets in our solar system will line up and be briefly visible in the night sky. This spectacular sight will not happen ...

The four planet-strong "planet parade" currently visible to the naked eye in the night sky for a short time after sunset will peak this weekend as Venus reaches its ...

A spectacular celestial event is set to captivate the night sky this week as all seven planets in our solar system align in a rare planetary parade.

Learn about the Oort cloud, a vast area beyond the inner solar system that is believed to contain icy objects arranged in a ...