China successfully launched the Shenzhou-21 crewed spaceship on Friday, sending three astronauts to its orbiting space ...

How do we know the speed of light – and why does it have a speed limit at all? Leah Crane explores the history of one of the ...

As humans began to explore outer space in the latter half of the 20th century, radio waves proved a powerful tool. Scientists could send out radio waves to communicate with satellites, rockets and ...

A piece of a comet decided to take a fatal dive into the Earth’s atmosphere, causing a bright flash and explosion tens of ...

Low Earth orbit is crowded with debris, threatening the atmosphere and future exploration. Experts say it’s time to treat ...

Copernicus proved the Earth and other planets orbit the sun, challenging centuries of belief and risking persecution for ...

Even without the ISS, some humans will stay off planet for the foreseeable future. There is no plan to stop the continuous ...

The space around our planet is becoming increasingly cluttered with debris that threatens satellites and the International ...