As the earth heads into a denser energy area of our galaxy, expect things to eventually change.
However, if there was to be a massive life threatending event, would you tell people about it and cause unbelieveable panic, and for what purpose?
Look at the problems in evacuating people prior to a hurricane! And that happens without panic!
Looks like secrets can't be kept in this era. So no matter what, we will learn things that will be upsetting.
How will we handle that?
Article at the link.
The comments section of the article has some more info...