The full moon takes place a mere three days before the Perseids meteor shower peaks, and 11 days before the next planet ...

A rare and visually captivating celestial event is set to unfold this August, as the full Sturgeon Moon coincides with an ...

Because Amalthea and Thebe have slightly tilted orbits, Batygin and Adams analyzed these small orbital discrepancies to calculate Jupiter's original size: approximately twice its current radius ...

They achieved this by analyzing the subtle orbital behaviors of Jupiter’s innermost moons, Amalthea and Thebe. Moons Unlock Jupiter’s Early Secrets ...

Jupiter, the largest planet in our Solar System, is 11 times wider than Earth, and has a mass 2.5 times greater than all of ...

Amalthea and Thebe are both small and irregularly shaped. They also orbit Jupiter more closely than Io, the closest of Jupiter's four Galilean moons.

Look east around 4 a.m. local time, just before dawn, to see the slender form of the crescent moon climb above the horizon.

And hovering about 5.5 degrees above it will be brilliant Jupiter (your clenched fist held at arm's length measures 10 degrees; so, the moon and Jupiter will appear roughly half a fist apart).

The moon-iest new moon of the year is upon us, folks, and this lunation is getting a heavy, heady dose of amplification from gas giant Jupiter. The new moon arrives on June 25th, 2025, at 6:31 am ...