Click away from the story to investigate the site, its mission and its contact info.
Headlines can be outrageous in an effort to get clicks, What's the whole story?
Do a quick search on the author. Are they credible? Are they real?
Click on those links. Determine if the info given actually supports the story.
Reposting old news stories doesn't mean they're relevant to current events.
If it is too outlandish, it might be satire. Research the site and author to be sure.
Consider if your own beliefs could affect your judgement.
Ask a librarian, or consult a fact-checking site.