Simply look to the western sky after sunset. The delicate form of the crescent moon is set to draw close to the planet ...

Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...

In March and April 2025, internet users shared a striking image that they claimed showed "Steeple Mountain," a massive point of interest on Jupiter's moon Io. For example, one X u ...

A herd of African elephants instinctively formed an "alert circle" to protect the younger elephants at the San Diego Zoo ...

Mars and the moon will also be in conjunction tonight. If you're lucky enough to have clear skies tonight, you can catch a ...

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles ...

Just like hundreds of the volcanoes you see today on Jupiter's hellish moon, Io. But even that's not the end of the spectacle. Right now, our current moon is spiraling away from Earth at 3.8 cm a ...

NASA's Europa Clipper Sails Toward Ocean Moon of Jupiter Oct. 14 ... Great Red Spot (GRS), an anticyclone large enough to swallow Earth, for at least 150 years. But there are always new surprises ...

One of Jupiter's 95 known moons, Europa is almost the size of our own moon. It’s encased in an ice sheet estimated to be 10 miles to 15 miles or more (15 kilometers to 24 kilometers) thick.

Other moons of Jupiter, like Europa and Ganymede ... Given that we know life and water are so closely intertwined here on Earth, that has guided our search elsewhere. Saturn’s moon Enceladus ...

conducted flybys of Jupiter and its moons in 1979. This was the first time that active volcanism was observed on another planetary body aside from Earth, opening new understandings into the ...

Skywatchers can enjoy a celestial alignment of the crescent moon, Venus, and Saturn on April 25, with Mercury visible near ...