Because the Earth is doing the work of increasing the Moon's momentum, the Earth's rotation slows down in turn, as its momentum goes to the Moon. To put it another way, as the Moon's orbital momentum ...

So the bottom line is that the gravity of the closer tidal bulge on the Earth is pulling the Moon forward, which increases the size of the Moon’s orbit. This means that the Moon gets slightly farther ...

An international team led by the University of Geneva (UNIGE), including scientists from the National Center of Competence in ...

The findings suggest Earth’s geological story was partly written in the stars – specifically, in the spiral arms of our home ...

Science advances through data that don't fit our current understanding. At least that was Thomas Kuhn's theory in his famous ...

The NASA and ESA Mars Sample Return mission will send bits of the Red Planet collected by the Perseverance rover to Earth.

The OSIRIS-REx spacecraft's name has been changed to OSIRIS-APEX for its new mission to asteroid Apophis. See its journey to ...

(Related reading: The impacts that gave us the Moon may explain why Earth has life today) ...

University of Virginia astronomy undergraduates focus on the shadows of asteroids and dwarf planets for their Earth-bound ...

Since its discovery, astronomers have been frantically trying to gather as much information as they can about the newest interstellar interloper dubbed 3I/ATLAS. It's been challenging, but they've ...