A NASA astronaut captured a fascinating weather phenomenon that still has scientists scratching their heads. Nichole Ayers is ...

NASA astronauts Nichole Ayers, Jonny Kim and Anne McClain marked Independence Day with a few heartfelt words for their ...

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

The movie takes great care to avoid the classic causality paradoxes so common in science fiction. Specifically, all information exchanged between different time frames has a definite, observational ...

For continuing survival of the human race, it was believed that humans should become farmers and not explorers, thus using all possible resources for crops, not space exploration. One of those ...

Fans of the mind-bending blockbuster 'Interstellar' have noticed a harrowing detail since the film enjoyed a limited re-release timed to its 10-year anniversary on special 70mm IMAX film.

“Interstellar” is a sci-fi adventure starring Matthew McConaughey as Cooper, a former NASA pilot who leads an expedition to explore a wormhole near Saturn with planets that could be humanity ...

NASA’s Voyager 1 spacecraft is depicted in this artist’s concept traveling through interstellar space, or the space between stars, which it entered in 2012. (NASA/JPL-Caltech) ...

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.