New discoveries and fresh looks at familiar worlds show how far exoplanet science has come — and how much remains unknown.

College students experience high levels of stress that are often the result of a mix of factors, including academic pressures and financial concerns.

Iran's President Masoud Pezeshkian on Saturday threatened harsh retaliation against neighbouring countries should Iranian infrastructure or economic centres be attacked. In a message "to the countries of the region" posted on X, Pezeshkian wrote: "If you want development and security, don't let our enemies run the war from your lands.