"Most excitingly, this new idea addresses one of the longstanding habitability problems on Europa and is a good sign for the ...

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

With the moon out of the way on Jan. 18, bright Jupiter and Saturn become stand-outs in the January night sky.

Jupiter is the biggest planet in our Solar System. With 79 moons, it falls just behind Saturn’s moon count of 82. Imagine looking up into the night sky and seeing not one but 79 different moons ...

On Earth, deep-sea vents may have given rise to the planet’s first life. But nothing of the sort seems to be happening at the ...

Research into Jupiter’s moons shows Io and Europa did not evolve apart but formed with opposite compositions from the ...

Sky This Week is brought to you in part by Celestron. Friday, January 23Pluto reaches conjunction with the Sun at 5 A.M. EST.

Europa’s subsurface ocean might be getting fed after all. Scientists found that salty, nutrient-rich surface ice can become ...

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

The new moon on January 18, 2026, will bring one of the darkest and clearest nights of the year, giving skywatchers an ideal ...

A recent study by geophysicists at Washington State University offers insight into how nutrients may reach the subsurface ...

Here's what to know about the Saturn and moon conjunction and how to view the celestial event.