[Review] Defy the Stars and Defy the Worlds by Claudia Gray

Defy the Stars and Defy the Worlds by Claudia Gray

Series: Constellations #1 and #2

Overall Rating: 3 stars 

Goodreads Synopsis:

Defy the Stars:

She's a soldier - Noemi Vidal is willing to risk anything to protect her planet, Genesis, including her own life. To their enemies on Earth, she's a rebel.
He's a machine - Abandoned in space for years, utterly alone, Abel's advanced programming has begun to evolve. He wants only to protect his creator, and to be free. To the people of Genesis, he's an abomination.
Noemi and Abel are enemies in an interstellar war, forced by chance to work together as they embark on a daring journey through the stars. Their efforts would end the fighting for good, but they're not without sacrifice. The stakes are even higher than either of them first realized, and the more time they spend together, the more they're forced to question everything they'd been taught was true.

Defy the Worlds: 

An outcast from her home -- Shunned after a trip through the galaxy with Abel, the most advanced cybernetic man ever created, Noemi Vidal dreams of traveling through the stars one more time. And when a deadly plague arrives on Genesis, Noemi gets her chance. As the only soldier to have ever left the planet, it will be up to her to save its people...if only she wasn't flying straight into a trap.
A fugitive from his fate -- On the run to avoid his depraved creator's clutches, Abel believes he's said good-bye to Noemi for the last time. After all, the entire universe stands between them...or so he thinks. When word reaches him of Noemi's capture by the very person he's trying to escape, Abel knows he must go to her, no matter the cost.
But capturing Noemi was only part of Burton Mansfield's master plan. In a race against time, Abel and Noemi will come together once more to discover a secret that could save the known worlds, or destroy them all.

I loved Claudia Gray's Firebird series and thought the romance and alternate dimensional travel was fantastic. However, moving on to her more speculative sci-fi series, Constellation, I was just... confused? I'm not sure how to describe how I feel because the two books, Defy the Stars and Defy the Worlds, tackle intergalactic space travel on a grand scale, as well as a human/robot romance.