Astronomers have just discovered a new celestial body in our solar system that could challenge major space theory. 2017 OF201 ...

Planets with unusually wide orbits may be normal by-products of the formation of planetary systems. This is suggested by new simulations.

Find daily astrological predictions for all sun signs for May 28. We recommend reading the horoscopes for your rising sign. ...

Our solar system’s origin story spans billions of years and involves clouds of gas, cosmic collisions, and planetary ...

SpaceX's Starship rocket roared into space but then spun out of control about halfway through its flight, failing to complete ...

Cheng, together with graduate students from Princeton University, discovered the potential dwarf planet while searching for ...