A Sun-type star situated nearly 3,000 light-years from Earth has provided astronomers with a unique opportunity to observe an unusual after-effect of a planetary system’s evolution. When this star, ...

Astronomers watched a distant star dim for months and found a metal-rich cloud that may be the aftermath of a massive ...

Astronomers have spotted a planetary system being conceived from the swirl of gas and dust surrounding a star — giving us an unprecedented, real-time look at how our solar system would've formed some ...

The outer solar system is now the stage for competing, and possibly complementary, visions of hidden worlds. On one side is Planet Nine, a Neptune sized object that Researchers in Taiwan argue could ...