US Military's largest and most powerful heavy lift helicopter, the CH-53K King Stallion, is truly the king of the skies.
Four billion years ago, Ganymede literally got knocked sideways. A giant asteroid slammed into Jupiter’s largest moon, ...
The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.
The number of known moons in our Solar System has been rising for centuries, but astronomers say it has probably peaked – for ...
NASA announced that it has evidence that Jupiter’s moon Ganymede, the largest moon in our solar system, has a vast ocean lurking underneath its icy crust. WSJ's Monika Auger reports. Photo ...
A stunning Blood Moon March 13/14 caps off plenty of planetary action and sparkling stars in the sky this week.
Jupiter's largest moon Ganymede is generating "killer" waves of electrons that astronomers say could damage spacecraft going on future missions. These electromagnetic waves can be found all around ...
moons Ganymede, Callisto, and Io are seen orbiting Jupiter in a Hubble Space Telescope image. Credit: NASA / ESA / Hubble Heritage Team (STScI / AURA) Callisto, the third largest moon in the ...
Ganymede, and Callisto. The Moon is non-luminous, meaning that it does not produce light. We see the Moon because it reflects light from the Sun, and half of the Moon’s surface is always ...
Not that it was a competition, but Saturn surpassed Jupiter in known moons a few years ago. Now the giant planet may never ...