President Donald Trump’s administration is bolstering its military presence in the Middle East amid tensions with Iran. Meanwhile, Secretary of State Marco Rubio testifies before the Senate. Follow ...

High-energy particles zipping through the cosmos are harmful to life on Earth, but scientists think it could be food for potential alien life elsewhere. Saturn's moon Enceladus (shown here in a 2006 ...

The Third Amendment prohibits the government from forcing people to “quarter,” or house, soldiers in their homes during ...