In July 2016, New Horizons spotted Quaoar, a distant Kuiper Belt object measuring 690 miles (1,110 km) across.
Communication has come a long way in 60 years of 'Star Trek'—and the combadge represents one of its biggest technological evolutions.
It's been 20 years since Pluto lost its status as the ninth planet of the solar system, but we still can't seem to let it go.
Though they orbit the same planet, Uranus' outer rings have two very different origin stories.
Where do massive planets end and stars begin? It may come down to how they formed.
The collision likely resembles the one that formed the Moon around 4.5 billion years ago.
Astronomers had decent guesses about how these peanut-shaped asteroids formed but couldn’t get the physics to work—until now.