Tidal migration – gradual outward movement of a moon due to gravitational interactions with its parent planet Axial precession – the slow wobble of a planet's rotational axis, which can fall in and ...

You don't have to spend a fortune on rentals and subscriptions if you want to watch the best movies out there. Streamers like ...

Discovered in 1930 at the Lowell Observatory, Pluto was demoted as a planet in 2006. Some want President Trump to take action via executive order.

It’s a small world after all, because today, we’re shrinking Earth to the size of Pluto. But if our planet was this tiny, how ...

NASA has played a central role in some of the most groundbreaking achievements in modern American history, from winning the ...

Sky This Week is brought to you in part by Celestron. Friday, March 20The vernal equinox occurs at 10:46 A.M. EDT, bringing ...

Ten UMSL students presented diverse research projects to legislators during Undergraduate Research Day at the Missouri Capitol in Jefferson City on March 12.

Something massive may be lurking far beyond Neptune — and scientists think it’s already shaping the solar system. Based on strange orbital patterns, researchers estimate this hidden world could be up ...

President Donald Trump and his NASA administrator are reviving the Pluto debate again — apparently at the urging of “Star ...

Most people do not understand that the solar system contains more objects than they typically anticipate. Scientists have confirmed for many years that Jupiter and Saturn possess multiple ...

From isolated lunar bases to interstellar odysseys and distant galaxies, these 15 films explore humanity’s courage, survival and wonder, turning the infinite void of space into a stage for stories ...