Astronomers have discovered a new object that originated outside of our Solar System — only the third to be found.

The object, a celestial body from another star system, was discovered on Tuesday by the University of Hawaii’s Asteroid ...

Astronomers using NASA's James Webb Space Telescope spotted TWA 7b, a Saturn-sized exoplanet around a nearby star ...

By looking at the shifting of stars in photos from the New Horizons probe, astronomers have calculated its position in the ...