Research and development is underway to create robots that can hunt for signs of life in the vast oceans that exist under the ...

How old is the Moon? Astronaut-gathered samples from the lunar surface put its age at about 4.35 billion years. However, ...

Jupiter's volcanic moon Io doesn't appear to have a subsurface ... in the grip of Jupiter's gravitational field — Io moves around Jupiter on an eccentric orbit, and its distance from the giant ...

The first full moon of 2025 is nearly here. Dubbed the "wolf moon" for its connection to wolves calling on those long January nights, this month's other astronomical events will give skywatchers ...

Such a massive planet would exert a lot of force on a tiny moon around it. “Basically, Jupiter is squeezing the insides out of Io,” said Bolton, principal investigator of the Juno spacecraft.

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

Witness a lunar occultation of both Mars and the Pleiades; plus, Mars reaches opposition and Venus and Saturn sit close ...

In recent years, Saturn has overtaken Jupiter as the planet with the most satellites in our solar system. How many moons does ...

As many as 400 volcanoes are erupting on the surface of Jupiter's innermost moon Io, with virtually every ... Jupiter's gravitational field — Io moves around Jupiter on an eccentric orbit ...