In today's Lightning Round video, I fall down a crazy rabbit hole around Jupiter's moon Io, talk about a potential crewed mission to Venus, stumble over the newest AI news, and talk a little about my ...

Watch a bright Moon dominate the sky, trace the Winter Hexagon, and continue enjoying the evening parade of planets in the ...

A recent multi-institutional study spearheaded by NASA has revealed the most volcanic place we know of. The planet, coined L ...

To get somewhere in outer space, you can’t exactly drive in a straight line. Orbits are tricky things, and sending a probe to ...

YR4 has just above a 1% chance of crashing into Earth in 2032, which is why astronomers and space agencies are paying ...

I recently saw a YouTube video by Hank Green discussing how important the Galilean moons are in our understanding of the solar system and the universe as a whole. The ...

It will be at its brightest around Feb. 14 ... to the south. Jupiter's four largest moons — Europa, Io, Ganymede and Callisto — are viewable with binoculars or a small telescope.

A new volcanic hotspot on Jupiter’s moon Io has been detected, releasing six times Earth’s total energy output.

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and Callisto (in that order). Credit: Space.com | footage credit: ESA/DLR/FU Berlin ...

Five of the brightest planets will be visible to the naked eye. With help, you may even spot Uranus and Neptune.

Jupiter will appear further away, to the right of the Moon. The Moon will be shining bright at a magnitude of -0.9, meaning its luminous glow will drown out the fainter stars around it.