And of course, Mars requires longer to orbit the sun than the Earth does. All of this is taken into account in a common type of diagram called the "pork chop plot", which essentially tells you the ...

If the orbit of the Earth was drawn as shown in the correctly scaled diagram it would be impossible to see any difference in the wedges. However, this can give the impression the orbit of the ...

Gemini 2 successfully completed the second of two uncrewed test flights of the spacecraft and its Titan II booster, clearing ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...

Moon Perigee, Moon and Earth Planet Conjunction Every month, the moon's eccentric orbit carries it to apogee – its most distant point from Earth – and then, some two weeks later, to perigee – the moon ...

This month's Letter From The Editor dives into how you can get the most out of this season of loving and caring.

British philosopher Bertrand Russell said of the difference between our physical world experience and the scientific world of continually changing matter, “There is … some conflict between what common ...

A very rare treat is about to grace Earth's night skies.

They had to be able to withstand solar effects much stronger than here on Earth as they flew by Venus during early ... or they may be the only rockets used for orbit insertion. Smaller devices, ...

Firefly Aerospace's Blue Ghost moon lander caught haunting images of Earth while preparing to make its way towards lunar ...