Japanese startup Space One lost another rocket today (Dec. 18) when its Kairos 2 launch vehicle failed shortly after liftoff. Space One was aiming to be the first private Japanese company to put a ...

At an event in Nevada, hobbyists can legally send their homemade rockets high into the atmosphere. Grant Thompson, who has a YouTube DIY science channel, struggles under the weight of a rocket at ...

The growing number of rocket launches and satellites burning up in Earth's atmosphere could trigger the world's next big environmental emergency. Experts are racing to understand the new threat ...