I.

The universe was ending, and the three people on the research vessel Endurance were the only ones who knew.

Dr. Elena Voss had discovered it first -- a pattern in the cosmic microwave background radiation that shouldn't have existed. The universe wasn't just expanding. It was unraveling. The fundamental constants that held matter together were slowly, inexorably, dissolving.

Not dramatically. Not with explosions or black holes swallowing stars. But with a quiet, patient decay that would take perhaps fifty years to become visible to the naked eye. Fifty years, and then everything would simply stop being.

She told her crewmates on a Thursday, over synthetic coffee that tasted faintly of regret.

II.

Commander James Okafor was the first to speak. "Fifty years?"

"Give or take a decade. The rate of dissolution appears to be accelerating."

Chief Engineer Ravi Patel didn't say anything for a long time. Then he asked the only question that seemed to matter: "Can we fix it?"

Elena looked at the data. She had run the calculations a thousand times. Each time, the answer was the same.

"No."

Ravi nodded slowly. "Right. Well. That's... that's something, I suppose. Knowing the answer, even if it's the wrong one."

III.

They spent the next month trying to decide what to do. Not how to save the universe -- that was impossible. But how to spend their remaining time.

James wanted to send a message to Earth. A warning, a goodbye, a record of what they had found. Elena wanted to keep observing, to document the dissolution in as much detail as possible, creating the most complete record of the universe's death that anyone would ever read.

Ravi wanted to do nothing at all.

"I'm an engineer," he said. "I fix things. I make machines work. That's what I've done for my entire life. But this..." He looked out the viewport at the stars, which still burned with their ancient, indifferent light. "This isn't a machine problem. It's just... the end."

IV.

They compromised. James sent the message -- a carefully crafted transmission that would take fourteen years to reach Earth, arriving at a time when humanity might still have the capacity to understand it. Elena continued her observations, recording the slow unraveling with scientific precision and something that looked a lot like grief.

Ravi sat on the observation deck and watched the stars, remembering the smell of rain on dry earth, the sound of his daughter's laughter, the warmth of his wife's hand in his before she had passed three years ago.

He thought about how strange it was that the universe would end not with a bang or a whimper, but with a slow, patient forgetting. That one day, there would be no one left to remember that anything had ever existed at all.

V.

On the one hundred and eighty-second day, Elena called them together.

"The dissolution rate has increased," she said. Her voice was steady, but her hands trembled. "We have perhaps forty-eight years now. Maybe less."

James nodded. "I received a reply from Earth."

They all looked at him.

"They asked if we had a solution."

Elena closed her eyes. Ravi reached out and took her hand.

"Tell them the truth," Elena said. "Tell them we tried. Tell them we knew. Tell them that in the end, three people in a tiny ship at the edge of everything chose to face the dark without lying to themselves."

James opened the channel. "This is Commander James Okafor of the research vessel Endurance. We have completed our assessment. The answer is: no, we cannot fix this. But we can bear witness. And that, perhaps, is enough."

Outside the viewport, the stars continued to burn -- beautiful, indifferent, and utterly alone in the vast, hollow orbit of a universe that was slowly, quietly, learning how to forget itself.