From "Alien" to "Get Out," Stacker explores 15 movies with alternate endings and why studios, test audiences, or directors ...

Two major alien-life announcements in 2025 generated enormous excitement, but most astrobiologists remained unconvinced. Only 6.6% of surveyed experts thought possible biological molecules on K2-18b ...

So far, Alien: Earth is only tangentially linked to Ridley Scott's original movie, but Wendy just might be an early prototype ...

3I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some researchers suggest it could even be alien-made, drawing comparisons to probes ...

The US government has been sharing more information about UFOs. That's fueling excitement over the possibility of the president announcing that humans are not alone. Twenty years later, the former is ...