A Soyuz capsule carrying two Russian cosmonauts and one American astronaut safely landed Sunday in Kazakhstan, concluding a 220-day mission aboard the International Space Station ...

Astronomers have discovered a rare planet orbiting at a 90-degree angle around two brown dwarfs—marking the first evidence of ...

The planet is 120 light-years away from Earth and is on a sideways axis orbiting two stars, which resembles the activity of a ...