Depending on where you live, it may be illegal to. You should contact your state's wildlife commission to find out if it's permissible. If it is, they will also be able to provide you with instructions on how they want you to do so so that the animal will be able to be reintroduced into the wild later.
They're generally reasonably willing to allow people to care for injured or orphaned animals when feasible as long as it's done with the understanding the animal will not be a "pet" but is, in fact, a wild animal that needs to be able to live on its own after it recovers/grows up.
Owls are birds and as such they lay eggs.
Yes they do.
87654 days
It takes one month for a Snowy Owl's egg to hatch.
4 weeks
Small owls
white owls
Depending on the species, owls either lay eggs or give live birth.
white owls
Long Eared Owls
they have feathers.
Most owls lay 2 to 4 eggs, and so, depending on how many hatch, have 2 to 4 baby owls.