The Cartwheel lies about 500 million light-years away in Sculptor. Its wagon-wheel shape formed after a violent collision ...

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

NASA says its Hubble Space Telescope has detected a white dwarf star that consumed fragments of a Pluto-like object. Space ...

VIPER was originally supposed to land on the moon in late 2023 aboard Griffin, a lander built by Pittsburgh-based company ...

Stargazers in the U.S. will witness the razor-thin waning crescent moon rise close to Venus and the bright star Regulus in the predawn sky on Sept. 19, while others will see the lunar disk pass ...

NASA spotted a new moon almost at the border of our solar system. Back in 1986, a theory came up that this cosmic body could ...

The moon is near new phase this week, and clearer skies and cooler overnight temperatures means that this is also an optimum ...

Uranus's moons — what is unique about each moon and why do they orbit at a tilt?

NASA certifies Colorado helicopter training to simulate lunar landings, testing Artemis crews in dust, slopes, and ...

Pluto may have been demoted to non-planet status, but it still commands a court of five moons, as is fitting for the king of ...

The October 2025 Harvest Supermoon appears larger and brighter, offering a stunning night sky view with special cultural ...

"Makemake is one of the largest and brightest icy worlds beyond Neptune, and its surface is dominated by frozen methane," ...