On Earth, you can look up at night and see the Moon shining bright from hundreds of thousands of miles away. But if you went to Venus, that wouldn’t be the case. Not every planet has a moon – so why ...

There's a whole world under the surface and only Ron has any idea about it. And sometimes the two worlds collide, and sometimes they don't. Ron holds them at arm's length from each other. Watch every ...

The James Webb Space Telescope has turned up a world that looks more like a squeezed citrus fruit than a planet, a distorted ...

Two primary theories explain planetary moon formation: gravitational capture within a planet's Hill sphere radius and simultaneous formation with the solar system during its accretion disk phase. A ...

The made-in-Russia satellite continued to circle the earth last week, apparently as steady in its orbit as the made-by-nature moon. Most details about it still came from Russia. Repeating the ...

India's Chandrayaan-3 spacecraft experienced an unexpected extension in its lunar orbit due to a gravitational interaction ...

ESO’s Very Large Telescope (VLT) has captured an unprecedented series of images showing the passage of the exoplanet Beta Pictoris b around its parent star. This young massive exoplanet was initially ...

Japanese company Pale Blue pulled off the first test of its experimental water vapor propulsion system, flying a nano-satellite for the first time in space using an environmentally friendly, ...

Pale Blue Global has developed a water-based propulsion system for satellites. The Japanese business describes its technology as ‘The ultimate green propellant’. The company says it has succeeded in ...