Final answer:
Benedek should verify the claim about President Biden and aliens with reputable sources such as official news outlets, government presses, and credible news aggregators, being cautious of conspiracy theories and misinformation.
Step-by-step explanation:
If Benedek wants to find a better source to verify the claim that President Biden gave a speech on January 30, 2023, admitting aliens had landed a spacecraft in Iowa, he should look for official news outlets, government press releases, and credible news aggregators. Fact-checking websites and transcripts or videos of recent presidential speeches could also serve as valuable resources. It's essential to verify such claims with reputable sources because they are likely to provide accurate information and context. Much like the example provided by the US Senate Select Committee on Intelligence's press release on Russian interference, official documents and releases often contain authenticated content.
Additionally, Benedek should be wary of conspiracy theories and misinformation. Claims similar to those found about the 'Face on Mars' or extraterrestrials in Egyptian pyramids, often spread through the media with little to no factual backing, must be approached with a critical eye. In the context of extraterrestrial life, credible scientific publications like the article on the search for intelligent life in 'Sky & Telescope' could offer insights on how the scientific community approaches the topic and what evidence is deemed convincing.