Gravity, or gravitational attraction ... backward with respect to their normal orbits. This offended some astronomers' sense of cosmos, the orderliness of the universe. In a universe perfectly ordered ...

Gravity is still compressing the star ... completely swallow the orbits of Mercury, Venus, Earth, and Mars. All red giants eventually resolve their moment of crisis, finding a new source of ...

In principle the relentless pull of gravity can amplify these small deviations until orbits migrate, cross, or otherwise go haywire. Newton concluded that God must step in from time to time to fix ...

If there's one thing everybody knows about space, it's that there's no gravity once you leave the Earth's atmosphere. We all ...

Scientists are using laser-based tracking and gravity data to improve how we monitor both satellites and space debris. By blending these methods, they can now predict orbits more precisely and gather ...

One application of the law of gravity is to figure out how to put a satellite into orbit so that it remains in the same position relative to ground all the time. A satellite in such a position can be ...

Placing a mass driver on the moon has long been a dream of space exploration enthusiasts. It would open up so many ...

What do the Earth's gravitational field and the trajectories of satellites and space debris have in common? The Earth's ...

NASA’s Juno spacecraft has returned new images of Jupiter after its 66th close flyby as it enters the final year of its ...

Scientists using observations from NASA's Neil Gehrels Swift Observatory have discovered, for the first time, the signal from a pair of monster black holes disrupting a cloud of gas in the center of a ...

The Moon orbits the Earth, which orbits the Sun ... if moving away from all those nasty gravity wells like the Voyager spacecraft did is not an option.

More accurate orbit predictions for satellites and space debris as well as a better understanding of the water masses present on Earth: Researchers at achieved both using satellite laser ranging.