The Master Chief and Cortana find a mysterious planet after years of drifting through space. Now aboard a moon-sized alien flagship, the two will have to call upon all their skills to defeat this new foe. NOT related to Straye's Forward Unto Dawn.

Semi-AU. They say that if you meet someone once in a day it's chance, twice is coincidence, and three times is destiny. So what if you did meet someone three times in a day – just not in the manner that everyone expects? MC x C.

A 200 prompt tribute to Master Chief x Cortana and those who write it. Rated K to M, R&R.

AI's are classified as non-sentient creatures. Spartans are classified as emotionless machines. These two prove that wrong, and are now running from the government. The very people they were supposed to serve and protect. Very unfair. \ChiefxCortana/

NEW! Ch. 13! They'd fought against the inevitable for many years to no avail. Yet here, so very far from home, doing what they’d always done best has finally produced an unimaginable reward.

The last Spartan grieves for the only family he ever knew. Takes place during “Halo: The Fall of Reach”. Possibly OOC, no slash, ChiefxCortana friendship.

Drifting in space, Cortana witnesses a perfect sunrise over the nearby planet.

Cortana's Thoughts as she floats through space.Note i suck at Summaries read more inside.

A series of drabbles about Cortana's new life with John after an experiment makes her human.

Cortana knows a relationship between her and John is impossible, but she can't help feeling for him... but upon returning to Earth, she finds both hope and horror.

When the crew of Galactica encounters the remains of the Forward Unto Dawn, life starts to get a lot more complicated for all involved, including an old enemy...

ChiefxCortana. High Charity is Cortana's physical prison, but the prison of the mind can be far worse. What if you could never touch the one you loved? Rating subject to change. Eight years later, chapter 17 is here!

Waiting...There really wasn't anything else to do. And while she waited she thought, about him.

One soldier, one construct, and one story in fifty sentences. -MCxCortana-

What happens following the events at the end of Halo3's credit sequence? Spoilers, obviously. This is a story of strength and weakness. It is about what happens when those unacquainted with their own humanity begin to understand what being human means.

"Wake me…when you need me." That was what he had told her. Seven months, eighteen days, eleven hours, thirty-seven minutes, and twenty-two seconds ago. Chief x Cortana, Post Halo 3. COMLPETE!

A short story about Cortana during Halo 2 when she is left behind at High Charity. Mostly about her thoughts about Master Chief and how she might actually feel for him. Very light romantic thoughts mostly. Read and review please.

Post Halo 3. A lonely vessel beyond the fringes of known space undergoes a rescue mission to retrieve the Master Chief. But before they can return, their team is trapped on an ancient Forerunner world with a new threat. Master Chief/Cortana.

"Do you think you can still do it? Can you watch him die?" Cortana turned to her, appearing to lean against the Chief's helmet. "Yes, but I pity the Covenant who try to get in our way."

100 bits and pieces of the bond between John117 and Cortana. Friends, Partners, Lovers, who knows. \\ChiefxCortana CortanaxChief// \Some AU/

Cortana watches over the Chief when he sleeps.

Master Chief and Cortana are picked up after twenty years adrift in space. But when Cortana's "Life" is almost up, John races to save her. ChiefXCortana. Rated for later chapters

Sometimes, becoming rampant is not a choice. Choosing who to protect, however, is. A look at the events prior and during Master Chief’s and Cortana’s reunion. Oneshot, Halo 3 spoilers