TRAPPIST-1, a planetary system 40 light years from Earth, could host a planet with an atmosphere and liquid water, but astronomers can’t be certain just yet.

President of the United Nations General Assembly Annalena Baerbok speaks with Christiane Amanpour about the multitude of challenges facing the UN as it marks its 80th anniversary.

Rustem Umerov, Secretary of Ukraine’s National Security and Defense Council, says it’s now up to Russia to continue peace ...