All of this adds up to the likelihood, the ESA warns, that a theoretical scenario known as the Kessler Syndrome could become ...

A brilliant fireball lit up the night sky over some southern states in the United States this weekend, but that was no meteor ...

A map indicates the 14 mission locations on Mars ... Usually when scientists talk about "space junk," they are referring to the immense amount of debris orbiting the planet that endangers ...

In all, more than 7 tons of human "space litter" is believed to be strewn across the landscape. Among the junk − or potential artifacts for some kind of museum on a future Martian colony ...

What to know about the growing threat of space debris as satellites multiply and experts warn of potential orbital disaster.