Earth’s Undetected ‘Mini-Moons’ Could Make for Exciting New Astronomy 

Every once in a while, our planet captures a “mini-moon,” a tiny asteroid that hangs out in our orbit for a bit before venturing back into the depths of space. New research suggests these small, temporary natural satellites carry tremendous scientific and commercial opportunities—but the trick will be in finding them.

A Brief History of the Times Ewan McGregor Said an Obi-Wan Movie Isn't Happening (But He'd Be Happy to Do It)

For a movie that never actually got officially announced, it feels like we’ve been hearing about the prospect of a Star Wars spinoff film starring Ewan McGregor as the galaxy’s favorite Jedi-in-Exile, Obi-Wan Kenobi, forever. That’s mainly thanks to all the times people have peppered McGregor with questions about his…

Surprising Accelerator Finding Could Change the Way We Think About Neutron Stars

Neutron stars are having a renaissance, as far as space objects go. These ultra-dense collapsed stars are the source of last year’s most important astrophysical discovery, and they could supply the universe with much of its gold and other heavier elements. But, confusingly, many of their most important properties may…