A team figured out the practical mechanics behind one of sci-fi epic film Interstellar’s most out-there ideas.

Use left and right arrow keys to seek audio. NASA has confirmed that it has received a message from a spacecraft located more than 15 billion miles away from Earth. That spacecraft is none other than ...

One of the film’s most memorable scenes shows Cooper sending messages to his daughter from inside a black hole. While the sequence was designed as science fiction, new research suggests the underlying ...

Time as a concept seems so simple in day-to-day life, until you start talking about time travel and all the reasons that it could or could not be possible.

That interstellar traveler is none other than NASA's Voyager 1, which used its backup radio transmitter, which hasn't been activated since 1981, to send a message back to Earth. The message came after ...

Harvard scientist Avi Loeb wants to send a message to the interstellar object, which he claims could be an alien spacecraft that has come to probe Earth and the other planets. He has suggested sending ...