NASA’s SPHEREx telescope spotted interstellar visitor comet 3I/ATLAS flaring up while exiting the solar system. Scientists explain what caused it.
Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien technology.
A generation ship is a hypothetical spacecraft designed for long-term interstellar travel, potentially lasting centuries. The concept involves an initial crew living, reproducing, and dying aboard the ...