How black holes grow to monstrous scales is one of astronomy's prevailing enigmas. A new record-breaking dataset, which ...

Astronomers have uncovered a treasure trove of feeding black holes at the heart of dwarf galaxies — small, faint galaxies ...

Where are all the medium-sized black holes? New data has located the largest collection yet.The Latest Tech News, Delivered ...

Black Hills Energy says it is monitoring its system to make sure it runs smoothly through these extreme cold conditions. A ...

PUEBLO — Should Black Hills Energy remain Pueblo's electricity provider? The decision could be left to Pueblo voters in May.