An alien and a robot are sent to Earth, which is on the verge of space travel, to warn it that it must learn to live in peace, lest it infects the galaxy.
Alien: Covenant (2017)
The crew of a colony ship, bound for a remote planet, come to a paradise with a dangerous alien threat, and must attempt a harrowing escape. (IMDB)
Life (2017)
A crew of 6 aboard the International Space Station fight for their lives when an alien life form they are experimenting on turns into a deadly monster.
Earth to Echo (2014)
3 boys & a girl spend an exciting night gathering material & fooling adults so that the little owl-like alien they discover can return home.
Edge of Tomorrow (2014)
In this sci-fi alien invasion tale, laced with humor, a battle-shy PR soldier, constantly dying & returning to life, teams up with a female warrior to figure out what to do.
Under the Skin (2013)
A mysterious woman cruises rural roads & streets of Glasgow in search of single men to seduce and send their bodies to a distant destination for food.
E.T. the Extra-Terrestrial (1982)
Children come to the aid of a small alien trying to make contact with those who left him while government agents searching for it close in. Love wins out in the end.