Interstellar visitor 3I/ATLAS has just been subjected to one of the most sensitive alien-technology checks ever mounted on a ...

Far from our own solar system, astronomers have finally watched what planetary scientists have long predicted but never ...

What planet is most like Earth? Reseachers have identified several exoplanets similar to our planet, but none that are an ...

Science fiction movies consider these questions and provide audiences with thoughtful, brilliant, and terrifying theories on ...