An asteroid miner, Bailey, ends up (with mixed feelings) joining an adventure to the galactic center with a group of women "clones" (with some variations added for individuality.) Simply en route to the women's space habitat, going to meet a museum curator to get info, going through one region of space to get from one wormhole to another, etc., they run into Trancers (who mesmerize people,) Resurrectionists (who take people to harvest their organs,) giant space spiders, pirates... So, well into the book, the plot is the hurdles to get almost to their original destination.
The destination turns out to be an alien facility inside a moon. At least what is said in the book, the facility is a vast collection / library of hi-tech maps of wormhole travel. There do not seem to be any flesh and blood aliens there.
There are many "exploring alien artifact" SF books. Generally, in such books when there are no living aliens, the humans feel free to look around, maybe try things out and perhaps take items away with them. I think it's worth noting: When the explorers reach their destination, they learn that when the previous human expedition tried to get into the alien facility and eventually used explosives, an alien spaceship emerged and attacked the human camp. When Bailey finds a way into the facility, he senses two presences, one of which is wary of Bailey being in the facility. When Bailey finds alien wormhole "maps," he takes one and starts to head toward the exit. He senses that the presence doesn't want him to do that, but he continues. When the humans realize the alien spaceship which responded to the first expedition's explosives is coming out as a result of the alien map being taken, the humans don't even consider, "Maybe we should return this alien map which doesn't really belong to us."
It's something for scientists and writers to think about: When can you break into a building / structure and freely examine the place and take things that interest you? Think about life on Earth in 2021. You move to a new town. There's a house with architecture that fascinates you. Your neighbors tell you they've never seen anyone living there. It seems to have been unoccupied for decades. Do you just find a way to enter the building, look around and pocket anything you want? Doing so might be safer than breaking into an alien artifact... OK, so if there really nobody home at an alien artifact, it might be argued that the potential scientific benefits outweigh the reasons to stay out. But what if a security mechanism has responded to humans entering in the past, and the security mechanism begins to respond to the second human break-in... Then, there are the risks of violence and also the question of breaking into a place that clearly is not entirely abandoned.