What makes science fiction "hard" is a respect for logic and adherence to the known laws of physics, versus "soft" science fiction which assumes we can innovate around any limitation (often including holes in a plot). Hardness is pretty subjective (just check out the debates on Reddit), but this list includes series that are generally seen to qualify.
Five hundred years in the future, a renegade crew aboard a small spacecraft tries to survive as they travel the unknown parts of the galaxy and evade warring factions as well as authority agents out to get them.
When an old enemy, the Cylons, resurface and obliterate the 12 colonies, the crew of the aged Galactica protect a small civilian fleet - the last of humanity - as they journey toward the fabled 13th colony, Earth.
Following the destruction of the Twelve Colonies of Kobol by the Cylons, a rag-tag fugitive fleet of the last remnants of mankind flees the pursuing Cylons while simultaneously searching for their true home: Earth.
Terrific premise--a Western-themed amusement park populated by robotic hosts where guests can live out their fantasies. The show is ambitious--tackling lots (too many?) Big Questions and delivers visually stunning special effects. Like Game of Thrones, the series relies on production value to compensate for sub-par writing as the seasons move on.
A police detective in the asteroid belt, the first officer of an interplanetary ice freighter and an earth-bound United Nations executive slowly discover a vast conspiracy that threatens the Earth's rebellious colony on the asteroid belt.
A space station in neutral territory is the focus of a unique five year saga.
Thrown into a distant part of the universe, an Earth astronaut finds himself part of a fugitive alien starship crew.
When a full-scale war is engaged by the evil Scarran Empire, the Peacekeeper Alliance has but one hope: reassemble human astronaut John Crichton, once sucked into the Peacekeeper galaxy through a wormhole.
Set in a future where consciousness is digitized and stored, a prisoner returns to life in a new body and must solve a mind-bending murder to win his freedom.
Geneticist David Sandstrom is the chief scientist at the prestigious virology/micro-biology NORBAC laboratory, a joint enterprise between the USA, Canada and Mexico for countering bio-terrorism.
