Another Earth (2011)

Two sisters find their already strained relationship challenged as a mysterious new planet threatens to collide with Earth.

In the near future, Cameron Turner is diagnosed with a terminal illness. Presented with an experimental solution to shield his wife and son from grief, he grapples with altering their fate in this thought-provoking exploration of love, loss, and sacrifice.

With the future of the human race at stake, a group of young men and women -- bred for intelligence and obedience -- embark on an expedition to colonize a distant planet. When they uncover disturbing secrets about the mission, they defy their training and begin to explore their most primitive natures. As life on the ship descends into chaos, they soon become consumed by fear, lust and an insatiable hunger for power.

When their ship crash-lands on a remote planet, the marooned passengers soon learn that escaped convict Riddick isn't the only thing they have to fear. Deadly creatures lurk in the shadows, waiting to attack in the dark, and the planet is rapidly plunging into the utter blackness of a total eclipse. With the body count rising, the doomed survivors are forced to turn to Riddick with his eerie eyes to guide them through the darkness to safety. With time running out, there's only one rule: Stay in the light.

As viable water is depleted on Earth, a mission is sent to Saturn's moon Titan to retrieve sustainable H2O reserves from its alien inhabitants. But just as the humans acquire the precious resource, they are attacked by Titan rebels, who don't trust that the Earthlings will leave in peace.

Ripley, the sole survivor of the Nostromo's deadly encounter with the monstrous Alien, returns to Earth after drifting through space in hypersleep for 57 years. Although her story is initially met with skepticism, she agrees to accompany a team of Colonial Marines back to LV-426.

A soldier from Earth crashlands on an alien world after sustaining battle damage. Eventually he encounters another survivor, but from the enemy species he was fighting; they band together to survive on this hostile world. In the end the human finds himself caring for his enemy in a completely unexpected way.

Fifty years into the future, the sun is dying, and Earth is threatened by arctic temperatures. A team of astronauts is sent to revive the Sun — but the mission fails. Seven years later, a new team is sent to finish the mission as mankind’s last hope.

16-year-old Cassie Sullivan tries to survive in a world devastated by the waves of an alien invasion that has already decimated the population and knocked mankind back to the Stone Age.

An alien similar to Ra appears out of the Stargate, killing five soldiers and kidnapping another, a year after the original Stargate mission. A new team is assembled, including some old members, and they go in search of the missing soldier in order to find out how Ra could still be alive. Meanwhile, the alien Goa'uld kidnap Sha're and Skaara, implanting them with symbiotes and making them Goa'uld hosts.