This story is a sequel to Celestia Sleeps In

After the accidental discovery of humans, Celestia tasked Lyra with learning about Dale's culture and Dale's language. Two meetings later, a misunderstanding caused Dale and a Coast Guard woman to be inadvertently transported to Equestria. With the two humans hospitalized and communication limited at best, the Equestrians just want to heal them, while back on earth the Coast Guard wants nothing more than to determine what happened to one of their sailors.

20-year-old Ryan Burbank is living with his girlfriend in their woodland home when he is struck by a mysterious infection seemingly out of nowhere. To everyone's horror, his sickness spreads quickly throughout his body, shutting him down one piece at a time. The doctors are at a loss of what to do about this new form of bacteria. Ryan and his loved ones choose to keep fighting until either a cure can be discovered...or the pain becomes too much.
At the height of his suffering, he discovers a happy little show while watching television in his hospital room. The bright colors and happy attitudes of the cartoon equines provide him with a much-needed escape from the daily pain of being killed from the inside.
Eventually, the pain becomes too much and he decides it would be better to go out surrounded by his family, in the embrace of those who kept him company throughout his short life. Just as he starts to fade, his eyes wander to the screen of the hospital room television and the cartoon ponies who adorn it. Something strange begins to occur...almost like the screen is pulling him in. Tunnel vision, maybe?
No, that can't be it...why can he hear his name being called by a very familiar voice? And why is she...crying? Who is this crying, familiar voice and why does she seem to know him?

[img]https://orig10.deviantart.net/bf87/f/2014/010/3/0/recup_pinkie_sphear_1_2__by_xdrawdex-d71pigr.gif[/img]

SPOILERS IN THE COMMENTS

Rated "Teen" for language and the "Sex" tag is for all of the sexual humor and suggestive situations. If I decide to up the suggestive stuff in the future, I'll change the tags and rating to fit that change.

Cover by enamis.

Lyra, a simple pony with simple dreams. Dreams involving aliens, that is. Her fascination with them even got her a job dealing with them, though no one takes it seriously. Lyra hopes to one day be able to meet one, she just needs to believe.

In comes a human, whom mysteriously gets transported to Equestria. It's up to Lyra to show the alien the ways of her people! The power of friendship, magic, and hugs await her on this strange adventure.

This story is a sequel to Wanderings of a Non-Brony

After the six year journey around the planet in Wanderings of a Non-Brony, The human TD Harrison Powell finds himself in Equestria for good. He sees no choice but to settle down in Ponyville, ready to live the rest of his life as best as he can.

This is his life.

Edited by Marioland1 and Strike89

Twilight Sparkle wakes up one morning to a harsh dose of unreality. She is stranded, without her friends, on an island which matches no known locale on Equestria. Surrounded and harried on all sides by the alien and the dangerous, she will find her mettle sorely tested, and find perhaps that the best friends you will ever have in your life are the ones you make when your back is to the wall...

Thanks to CedricBale and noobie56xx for tracking down the name of the artist so I could give them credit.

I'd heard about the TV show My Little Pony: Friendship is Magic from my college roommate who is way too into the show. Disturbingly so, actually, but good gravy I would never watch the darned thing! What am I, five? I've got better things to do with my time than watch a silly little girl's show. However, that didn't stop... something from transporting me into the world of the show, so here I am... in Equestria... trying to get home. This is gonna be interesting.

Special thanks to GuyFace, Jack Kellar, Storm Shaker, Spiffy McSquee, and Goober Trooper for helping me with this one!

This story is a sequel to No, I Am Not A Brony, Get Me Outta Equestria!

After leaving Ponyville, the human TD Harrison Powell finds himself in even stranger territory than the land of the ponies. Will he find his way home? Or will he find out that he should have stayed in Ponyville under the watchful eyes of the Royal Sisters after all?

Edited by the amazing Jack Kellar and Marioland1

Special thanks to MyHobby for the cover art!!

The Princesses find an alien creature barely clinging to life at the scene of a terrifying crash. Can the Combined Power of the Elements of Harmony save it, or more importantly, should they save it? Will the arrival of this strange creature tear Equestria apart?

TV Tropes
https://tvtropes.org/pmwiki/pmwiki.php/FanFic/Article2

This story is a sequel to Stardust

When Equestria’s newest member of royalty asks for aid to be offered to her friends from abroad, the best and the brightest volunteer to serve. Captain Steel Song of the Dusk Guard are immediately mobilized to help XCOM defend their world from the enemies that besiege them. However, their first joint operation with the humans takes a turn for the worse and they quickly find themselves fighting for their lives against the full force of the monsters that threaten Earth.

(Stardust/Dusk Guard crossover)
(Coverart provided by a friend of Viking ZX!)
(While familiarity with both stories isn’t required, it is recommended)
(Many thanks to Arzoo for pre-reading!)
(All screenshots can be found at XCOM.wikia.com)
(Featured on 3/13/2013. Thanks everyone!)
(Now has it's own section on TVTropes as part of the Stardust series!)

This story is a sequel to Stardust

Times are changing for Equestria as Twilight’s return brings with it news of people and cultures from beyond the peaceful world everypony knows. Aid and volunteers are freely offered to help the besieged humans of Earth because every Equestrian knows that’s what good friends do. Unfortunately, making friends can also have the unintended consequence of making enemies.

When the monsters besieging the humans strike at Equestria with a level of brutality not seen in over a thousand years, the cry for help is sent to all the kingdoms of the world. Honored allies step forth to fulfill ancient treaties and oaths. Enemies, old and new, bury their grievances. An alliance never before seen in Equestria will be created to combat the monsters from the void.

And because of these events, a grim but welcome sibling to the XCOM project is born.

(XCOM/FiM Crossover)
(Sequel to Stardust, which I recommend reading before starting this. Fortitude Amicitia and Broken aren't required reading but are supplemental to the storyline)
(Gore tag for blood and violence)
(Alternate Universe tag because of the divergence from canon that Stardust has caused)
(Uses elements of Season 4)
(Coverart produced by the amazing Carnelian!)
(Many thanks to Arzoo, BradTheBrony, Vandenbz and Setokaiva for prereading!)
(As of 03/07/2016, the prereading team consists of Arzoo, BradTheBrony, Noble Cause and Metallusionsismagic!)
(Complete with it's own TVTropes page as part of the Stardust continuity. Could use some updating!)
(Character tags will be added as chapters are added!)
(Featured 5/12/2014! Thanks folks!)
(Possible spoilers in the comments! BEWARE!)