Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Often called the ...

ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up to receive our biggest stories as soon as they’re published. A few months ago, Sen. Ted Cruz announced that he had ...

They will look for evidence of technologies crafted by intelligent alien civilizations. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Are there ...