ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.

Buried several miles beneath East Antarctica's ice, Lake Vostok is one of the largest freshwater lakes on Earth, rivaling ...

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

Scientists are studying Saturn's moon Titan to assess its tidal dissipation rate, the energy lost as it orbits the ringed planet with its massive gravitational force. Understanding tidal dissipation ...

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 ...

What can a moon’s tidal friction teach us about its formation and evolution? This is what a recent study published in Science ...

During the latest round of layoffs, the tiny team was among the hundreds let go. And though some parts of the educational ...

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

NASA's Europa Clipper mission has launched to study Jupiter's icy moon Europa, which may harbor a potentially habitable ocean ...