It’s a phenomenon known as a “planet parade,” where the planets appear to be marching across the night sky. Stargazers will be able to see Venus, Saturn, Jupiter and Mars with just the naked eye for ...

Skygazers in the United States have the rare chance to witness a Planet Parade featuring six celestial bodies. From January ...

NASA plans to fly two rockets through active auroras and study the unique ribbons of light that dance across the Alaskan ...

Although it's being mistakenly promoted as a "rare planetary alignment," one of the best "planet parades" in half a century is now taking place. Here's how to see it.

Birdwatchers and hunters flock to southeast Arizona each winter to witness the feathery phenomenon while it lasts.

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

A retired Tucson heart doctor won a national amateur astronomy award for helping University of Arizona scientists detect some ...

Early 2025 is a good time for skygazing and spotting up to seven planets in the night sky – if you have a little help.

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

A solar explosion called a coronal mass ejection is poised to graze Earth on Friday or Saturday (Jan. 24 or Jan. 25), ...

On Jan. 2, the Minor Planet Center at the Harvard-Smithsonian Center for Astrophysics in Cambridge, Massachusetts, announced ...

Nelson and NASA Deputy Administrator Pam Melroy left the agency on Monday (Jan. 20), the day that Donald Trump began his ...