Theory said that muon neutrinos could transform into electron neutrinos. A neutrino detector confirms this by catching many more electron neutrinos than it should have otherwise. John Matson reports

DOGTV, featuring programming to entertain stay-at-home dogs, debuts nationally August 1 on DirecTV. Larry Greenemeier reports

The black hole in galaxy NGC 1277 is way more massive than usual. Astronomers hypothesize it was ejected from another galaxy before settling in its new home. John Matson reports

An electromagnetic rail gun would use magnetic fields created by electrical currents to accelerate a sliding metal conductor along two rails. Larry Greenemeier reports

The star WX UMa went from 5,000 degrees Fahrenheit to 30,000 degrees F in less than three minutes. Chris Crockett reports

A reaction between two common molecules occurs much faster at frosty interstellar temperatures than on our toasty Earth due to a cold-stabilized transition and quantum tunneling. John Matson reports

A small group of people with mid- to late-stage dementia appeared happier and less anxious after spending time with a robotic animal programmed to respond to touch and sound. Larry Greenemeier reports

Three teenage Texas model rocketeers beat out teams from France and the U.K. to claim top honors at this year's International Rocketry Competition. John Matson reports

Looking at the Himiko Galaxy as it was just 800 million years after the big bang offers a glimpse at how the most massive galaxies took shape. John Matson reports

Segue 2, one of dozens of "companion" galaxies that orbit the Milky Way, is now the smallest galaxy known. Michael Moyer reports