Astronomers discover a fourth planet in Kepler-51, challenging planetary formation theories with new questions.

NASA's Dawn mission communicated with Earth for the last time, ending its exploration of Ceres and Vesta, the two largest ...

Scientists have revived the theory that short-period comets could have played a crucial role in filling Earth's oceans with ...

A "harmless" asteroid burned up Tuesday night above northern Siberia in Russia, creating a blazing fireball in the sky ...

Planetary scientists recently simulated an alternate version of our solar system: one with a super-Earth causing climate ...

The term Digital Twin of the Earth creates the idea of the availability of a highly accurate virtual copy of our planet, ...

We've thought that, before it became the toxic hellscape we know today, Venus could have once been habitable, with oceans of ...

Spinning in only about 35,700 seconds, its day is the shortest in our solar system, and it only has a 3-degree tilt, so it ...

NASA’s Asteroid Terrestrial-impact Last Alert System found the asteroid, with the European Space Agency projecting where ...