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

Astronomers detect a massive metal-rich cloud orbiting an unseen companion of star J0705+0612. Observations reveal its size, composition, and possible origin from a planetary collision.

Scientists are exploring the origin of life's ingredients on our planet. A recent study suggests that essential volatile compounds, such as hydrogen and carbon, may have come from a cataclysmic impact ...

Astronomers tracking a nearby star system thought they had spotted an exoplanet reflecting light from its star. Then it vanished. Even stranger, another bright object appeared nearby. After studying ...