When a planet's orbit brings it between Earth and a distant star, it's more than just a cosmic game of hide and seek. It's an ...

The University of Arizona has utilized state-of-the-art Magellan Adaptive Optics Xtreme technology to observe the PDS 70 ...

Enjoy dark skies for evening observing, then catch a meteor shower and a planetary conjunction in the morning sky this week.

James Webb Space Telescope Sees Jupiter's Rings, Moons and Auroras Credit: Space.com | imagery courtesy: NASA, ESA, Jupiter ...

Catch two transits of Io, spot sparkling star clusters, and view Mars at aphelion while the April Full Moon lights the sky ...

April's full moon, known as the Pink Moon, will be a micromoon, appearing smaller than usual. The Lyrid meteor shower will ...

and so were 12 other moons. Saturn’s rings will be edge-on twice in 2025, in March and November. From 2019 to 2023, Jupiter and Saturn were fighting for first place in the moon race. In 2019 ...

which has been exploring Jupiter and its moons since 2016. They traced the cause of this sudden heat displacement to a dense burst of solar wind that compressed Jupiter's enormous magnetosphere ...

such as encircling the moon and ring orbits. Saturn's composition Saturn, like its gaseous giant cousin Jupiter, consists of hydrogen and helium. They make up about 96% of Saturn's atmosphere.

In March and April 2025, internet users shared a striking image that they claimed showed "Steeple Mountain," a massive point of interest on Jupiter's moon Io. NASA Jet Propulsion Laboratory ...