Astronomers are testing a quieter way of searching for moons beyond the solar system, using careful measurements of motion rather than changes in ligh.

As an astronomer studying the universe beyond Earth, I’m fond of “outside the box” views almost by default. But one of my favorites is whenever a spacecraft takes a snapshot of our home world and the ...

Astronomers have determined that our nearest neighbor is gradually inching away from us. The Weather Channel reports that the Earth’s moon is moving further away from our planet, albeit at an ...

Add Yahoo as a preferred source to see more of our stories on Google. Solar wind, in combination with Earth's magnetic field, has been delivering particles from our planet's atmosphere to the moon's ...