Best Alien Movies

After investigating a mysterious transmission of unknown origin, the crew of a commercial spacecraft encounters a deadly lifeform.

Decades after surviving the Nostromo incident, Ellen Ripley is sent out to re-establish contact with a terraforming colony but finds herself battling the Alien Queen and her offspring.

Following clues to the origin of mankind, a team finds a structure on a distant moon, but they soon realize they are not alone.

The crew of a colony ship, bound for a remote planet, discover an uncharted paradise with a threat beyond their imagination, and must attempt a harrowing escape.

In a future Earth in which aliens are isolated in a remote ghetto, a government agent finds himself banished there.

Roy Neary, an Indiana electric lineman, finds his quiet and ordinary daily life turned upside down after a close encounter with a UFO, spurring him to an obsessed cross-country quest for answers as a momentous event approaches.

During an archaeological expedition on Bouvetøya Island in Antarctica, a team of archaeologists and other scientists find themselves caught up in a battle between the two legends. Soon, the team realize that only one species can win.

Returning from LV-426, Ellen Ripley crash-lands on the maximum-security prison Fiorina 161, where she discovers that she has unwittingly brought along an unwelcome visitor.

Two centuries after her death, a powerful human/alien hybrid clone of Ellen Ripley aids a crew of space pirates in stopping the aliens from reaching Earth.

The aliens are coming and their goal is to invade and destroy Earth. Fighting superior technology, mankind's best weapon is the will to survive.

A troubled child summons the courage to help a friendly alien escape from Earth and return to his home planet.

A remake of the 1951 classic science fiction film about an alien visitor and his giant robot counterpart who visit Earth.

An alien lands in Washington, D.C. and tells the people of Earth that they must live peacefully or be destroyed as a danger to other planets.

A paraplegic Marine dispatched to the moon Pandora on a unique mission becomes torn between following his orders and protecting the world he feels is his home.

A team of commandos on a mission in a Central American jungle find themselves hunted by an extraterrestrial warrior.

Humans, in a fascist militaristic future, wage war with giant alien bugs.

During an archaeological expedition on Bouvetøya Island in Antarctica, a team of archaeologists and other scientists find themselves caught up in a battle between the two legends. Soon, the team realize that only one species can win.

The alumni cast of a space opera television series have to play their roles as the real thing when an alien race needs their help. However, they also have to defend both Earth and the alien race from a reptilian warlord.

A soldier fighting aliens gets to relive the same day over and over again, the day restarting every time he dies.

As a Washington, D.C. psychiatrist unearths the origin of an alien epidemic, she also discovers her son might be the only way it can be stopped.

A squad of U.S. Marines becomes the last line of defense against a global invasion.

An alien must pose as a human to save his dying planet, but a woman and greed of other men create complications.

When Casey Connor, Herrington High School's newspaper photographer, witnesses the murder of a nurse and sees her alive again, he decides to investigate the bizarre happenings.

An alien takes the form of a young Wisconsin widow's husband and makes her drive him to his departure point in Arizona. Distrustful government agents, along with a more ambivalent scientist, give pursuit in hopes of intercepting them.

James, an NYC cop, is hired by Agent K of a secret government agency that monitors extraterrestrial life on Earth. Together, they must recover an item that has been stolen by an intergalactic villain.