FIFA has unveiled its official host city posters for the men's 2026 World Cup -- due to take place across the United States, ...

Luckily for NASA, when Scott launches into space this coming March, he will leave behind a copy of himself—his identical twin brother, Mark Kelly, a retired astronaut. Because the Kellys have ...

Scott Kelly and Mark Kelly are American astronauts and identical twin brothers. They participated in NASA's Twins Study, conducted between 2015 and 2018. Scott Kelly appeared on Fox News with ...