Add Yahoo as a preferred source to see more of our stories on Google. Today is the day that astronomers, amateur stargazers and alien conspiracy theorists alike have been waiting for: interstellar ...

Loved Interstellar? Discover 5 must-watch sci-fi movies featuring space exploration, mind-bending time travel and emotional ...

Christopher Nolan's "Interstellar" won several awards, including an Oscar for Best Visual Effects. Which scientific phenomenon did the film accurately capture?

If you've been eagerly waiting to see more high-resolution images of a fascinating interstellar comet known as 3I/ATLAS, your wait is almost over. NASA has announced that it will unveil a trove of ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of Earth and poses no danger. Scientists are studying the object ...

CAPE CANAVERAL, Fla. (AP) — NASA unveiled close-up pictures on Wednesday of the interstellar comet that's making a quick one-and-done tour of the solar system. Discovered over the summer, the comet ...

CAPE CANAVERAL, Fla. (AP) — A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will remain about 170 million miles from our planet and poses no danger. While not visible to the naked eye ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of our planet and poses no danger. While not visible to the naked ...

NASA will release new images of the interstellar comet 3I/ATLAS on November 19. The object is only the third interstellar visitor ever spotted in our solar system. The comet will make its closest ...