WASHINGTON — Scientists have discovered what may be the smallest-known black hole in the Milky Way galaxy and the closest to our solar system – an object so curious that they nicknamed it ‘the Unicorn ...

A new study that zeros-in on the founders of so-called “unicorns” — companies worth over a billion dollars — has found most have “underdog” founders who are often drawn from the top 10 universities.

Not so long ago, unicorns were quiet, serene, mythical creatures who galloped across rainbows, napped on clouds, and pooped glitter. Over the past year, however, unicorns have become so much more than ...