Explore the solar system from Mercury to Pluto and discover the extraordinary differences in orbital speed, year length, and ...

Russian Luch “inspector” satellites are suspected of shadowing European GEO spacecraft, raising fears of interception, ...

Satellites and spacecraft in the vast region between Earth and the moon and just beyond—called cislunar space—are crucial for ...

European security officials believe two Russian satellites likely approached 17 key connectivity satellites in geo orbit ...

A Florida-based startup called Space Beyond recently announced that it's locked in plans for its first memorial spaceflight ...

Humanity has changed an awful lot in the past 58 Years. The moon? Not so much. It was in 1968 that astronauts first drew near ...

Penn Engineers have developed a novel design for solar-powered data centers that will orbit Earth and could realistically scale to meet the growing demand for AI computing while reducing the ...

Venus could experience a dramatic meteor shower this summer, the result of the breaking apart of a nearby asteroid that has ...

BEIJING -- A new study has revealed that observing Earth from the moon serves as a powerful way of seeing the planet's true, ...

Earth's radiation budget is a core process of the Earth-atmosphere system, closely linked to global climate and environmental ...