More than 2,500 alien plant species could find suitable conditions in the Arctic, especially in northern Norway and Svalbard.

In the sixth episode of Star Trek: Starfleet Academy, “Come, Let’s Away,” the cadets on board the Athena meet a new alien adversary, one that comes across as truly terrifying. While out on a deep ...

The interstellar object 3I/ATLAS has developed a distinct greenish glow as it makes its final high-speed passage through the inner Solar System, a phenomenon that has captivated astronomers and ...