The word 'discover' is correct and usable in written English. You can use it when you want to express finding something out or learning something new. Example: I recently discovered a new way to make the best omelette.
Thinking they are heading uphill they accelerate – only to discover they are speeding along faster than intended.
This is where the city's Youth Hostel is located, but it is doubtful if even the most ardent traveller gets to discover the quirky Food & Art.
He once told a story about going out for a night in Wales only to discover he could not get back into the team hotel.
The camera trap also permits [us] to discover new species and to confirm some species as golden cats, gigantic pangolin, ratel [or honey badger]." McPhee's work, which he is currently crafting into a master's thesis, is not going unnoticed.
McPhee and his team compared their findings with another camera trap survey in a non-hunted forest in Lomami national park, only to discover that the lesula appeared to be doing as well in the heavily-hunted forest as in the non-hunted one.
It wasn't so long ago, of course, that Simon Cowell's serious political endorsement was ferociously sought by both major parties, with Gordon Brown said to have been in agonies to discover that the Sun's splash on the morning of the 2010 general election featured Cowell coming out for the Tories.
Archibald arrived at his new domain last month to discover that, on the eve of the first match of the season, the previous chairman had turned up in the dead of night with a removal van and taken away what few assets remained at the club.
Ludwig does not simply clarify my doubts with English writing, it enlightens my writing with new possibilities
Simone Ivan Conte
Software Engineer at Adobe, UK