Comets that have hit Earth have been a mixed bag. Early in Earth's history, during the solar system's chaotic beginning, they ...

A rare and dramatic scene unfolds 140 light-years from Earth. A rocky planet, once whole, is now crumbling to dust under the ...

Astronomers from MIT have uncovered a dramatic celestial spectacle: a Mercury-sized exoplanet that is rapidly disintegrating ...

Vesta might be a shattered remnant of an early planet, not a failed one—forcing scientists to rethink how worlds begin.

A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding ...

Planetary scientists research the complex asteroid Vesta which may possess the same fundamental architecture as Earth such as ...

Though many talk of anecdotal “windshield phenomenon” observations, ecologists caution against oversimplifying the global ...

A groundbreaking new study suggests that super-Earth exoplanets—rocky planets larger than Earth but smaller than Neptune—may ...