Website

• Institute of Art and Ideas
• Stanford Encyclopedia of Philosophy
• Internet Encyclopedia of Philosophy
• PhilPapers: Many interesting categories, like “Godelian Arguments Against AI”
• Ergo
• Better Explained
• Michael Nielsen’s blog

Lectures

• The Biggest Ideas in the Universe: Sean Carroll covering big ideas in physics or related fields

Magazine

Most magazines can be found for free here and here

• Nautilus
• Philosophy Now
• nature
• Science

Podcast

• Sean Carroll’s Mindscape Podcast
• Lex Fridman Podcast