It is Betelgeuse and for hundreds of years astronomers have puzzled why its twinkle grows lighter and then dimmer over time.

An oddly tilted object beyond Neptune moves in perfect sync, one orbit for every ten of Neptune’s, and scientists are ...

Astronomers have made an extraordinary discovery at the outer edge of our solar system—a strange space rock that dances in perfect rhythm with Neptune. The object, named 2020 VN40, is part of a group ...

Pope Leo XIV marked the 56th anniversary of man’s arrival on the moon Sunday with a visit to the Vatican astronomical ...

At least one mystery surrounding the red giant Betelgeuse can now be put to bed. Astronomers have finally laid eyes on a small, dim binary companion whipping around the massive sun. The observations ...