Q: Apple news

It might just be hidden.

Try these instructions >  Hide and unhide iTunes Store, App Store, or iBooks Store purchases - Apple Support

Could you have deleted it by mistake?

If so, you can redownload it again from the App Store:

Direct Link to Apple's News App:

https://applesto.re/us/KFxK_.i

What country is your iPhone's region set to?

The News App is only available in:

U.S.A, Australia, and the U.K. at this time:

http://www.apple.com/ios/feature-availability/#news

Having your device's Region set to anything else will make the News App disappear.