Millions forced from their homes because of Vladimir Putin's war against Ukraine are finding hope and help from nearby countries.
From wearing Ukraine’s colors of blue and yellow to moments of silence, see the various ways athletes are standing with Ukraine.
Around the world, iconic buildings glow blue and yellow to show solidarity with Ukraine and protest the Russian government's aggression against that country.
President Biden's second dog, Major Biden, is the first presidential pet in U.S. history to go from shelter dog to White House companion.
See images of the 59th inauguration, at which Joseph R. Biden and Kamala D. Harris became the new president and vice president of the United States.
The U.S. presented its pavilion — including moon rocks, a Mars rover and a SpaceX Falcon 9 rocket replica — for Dubai's Expo 2020.
Since November 2, 2000, the International Space Station has hosted researchers from 108 countries performing advanced experiments on life in space.
NASA interns have collected air pollution data from home during quarantines for COVID-19. See how interns have continued learning while social distancing.
On July 20, we mark the day in 1969 that U.S. astronauts Neil Armstrong and Buzz Aldrin became the first humans to set foot on the moon's surface.