For decades, astronomers have looked to the outer reaches of the cosmos for answers to our most fundamental questions: Where ...

The gravitational interaction between the Earth and Moon has led to one hemisphere of the Moon being locked facing away from ...

Astronomers studying the supermassive black hole M87*, a behemoth six and a half billion times the mass of the Sun, have uncovered a new way these cosmic monsters unleash their power.

Students move pieces around the board during a wargame based on Pacific conflict while attending Air War College at Maxwell Air Force Base, Alabama, in 2023. (Billy Blankenship/U.S. Air Force) Lessons ...

A new moon is when the moon shares the same celestial longitude as the sun; the two bodies are said to be in conjunction.