“Hollywood has preconditioned us to expect one of two types of alien contact, either a hostile invasion force or a benevolent species bestowing wisdom to humanity,” the space expert, who hails from the UK but runs Columbia University’s Cool Worlds Lab, postulated in a Youtube video.

Besides the original cult hit film, the sci-fi franchise Alien Nation also encompasses a TV series and several TV movies worth checking out.

Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events showing the flyby.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to come thick and fast. But when we've found it, how will we know for sure?

Aliens' actor Michael Biehn says Ridley Scott was indeed behind the reason Neill Blomkamp's 'Alien 5' was never made.

Hawaii’s Gemini North telescope has captured new images of interstellar comet 3I/ATLAS with a green glow as it remerges from behind the sun.

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer scrutiny

With tons of "Star Trek" alien races depicted over the decades, consistency is a tall order. And in the case of these aliens, major changes went unexplained.

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the Perseverance Rover in 2024, and it is known as the Bright Angel formation. Among the portions of it, there is the now famous " Cheyava Falls " rock, one called “Apollo Temple”, and another called “Sapphire Canyon”.

The unusual specimen raised eyebrows because it appeared capable of causing levitation. An official investigation has not settled the matter, some UFO enthusiasts say.