The Last Light in the Universe

There was a time when Humans had thought they were alone in the Universe. But in the era of technological renaissance and the space age, they realized their naivety - the Universe was never empty; rather it was full of life and opportunities. Among those opportunities was 'Lyght', a far-distant advanced planet in the Atlanis galaxy, pulsating in the shadows, waiting to be discovered.
Abigail was a fierce astrophysicist, and it was her pioneering space research that led Humanity to the discovery of Lyght. A critical find, as by 3430 A.D., due to their unchecked industrial growth, Earth had drained nearly all its natural resources, the search for a new habitat was impending and Lyght seemed to be a viable option.
Abigail was chosen to be part of the maiden journey to Lyght, a journey of hope and exploration spanning across light-years of interstellar space. The spaceship, 'Pandora', equipped with an advanced quantum drive, was humanity's best bet at intergalactic travel. The team of the bravest astronauts, engineers, and scientists assembled by Abigail jumped into hyperspace, breaking the barriers of speed and time.
Time, in the cold darkness of space, was a deceptive phenomenon. The journey that seemed like decades on Earth was comparatively only a few years for the team on Pandora. They arrived to find Lyght - ostentatiously living up to its name, illuminating the darkness of space with its warm light, like an ember in the cold.
As they approached the planet, their initial inspection revealed no signs of any living or sentient life forms. The planet was deserted, but its advanced architecture and technology told a different story. Pandora landed on a sprawling cityscape with towering needle-like structures piercing the sky and warmly glowing lights lining the streets, a testament to a highly advanced civilization.
Abigail was the first one to step out of the ship. Dressed up in her astronaut suit, she was humbled and awestruck by the city in front of her. The buildings were carved out of a precious metal-like substance, casting an ethereal glow, and the roads were made of transparent matter, illuminated by the light tubes running beneath.
They began exploring, hoping to find the planet's occupants. Instead, what they found were empty buildings, desolated parks, and abandoned technological hubs. They were in a ghost city; a city alive with lights but void of life. This mysterious contradiction began to concern Abigail and the exploration team.
However, they didn't lose hope and commenced a deep exploration. It was in one of the scientific hubs where they stumbled upon a data archive. With combined technical prowess, the team managed to access the data that revealed a tragic tale. Lyght once housed a highly intellectual race, 'Phosians' who, in their strive for energy security, invented a technology that harvests the essence of life, translated into a luminescent form, termed as 'Luon'.
The Luon had incredible power, and it had the potential to ensure an abundant sustainable energy supply, but at a heavy cost. It slowly started draining the Phosians' essence, resulting in their extinction. Phosians, in their final days, programmed their buildings and city to glow with the Luon, serving as a beacon and warning to others about the dangerous power they had unleashed.
It was a somber realization that left the team in a moral dilemma- to use the remaining Luon power to save dying Earth or respect the final wishes of an extinct civilization. After much contemplation, they decided to return to Earth with the knowledge they had acquired, promising to use it wisely, trying to prevent the repetition of Phosian fate.
The news of the lost civilization echoed throughout Earth, a poignant reminder of the cost of relentless progress. It was then humanity learned its most valuable lesson - the balance of power and preservation.
The brave explorers of Pandora were hailed as heroes, their perilous journey and the discovery of Lyght brought newfound respect and served as a guiding light for humanity to tread cautiously on the path of technological advancement.