Like two Sumo wrestlers squaring off, the closest confirmed pair of supermassive black holes have been observed in tight proximity. These are...

Chinese astronomers have discovered a rare, small black hole in a unique binary star system, providing new insights into the formation of black holes....

Chinese astronomers have discovered a rare, small black hole in a unique binary star system, providing new insights into the formation of black holes....

Stephen Hawking Was Wrong—Extremal Black Holes Are Possible For decades, a black hole that has as much spin or charge as it can given it mass was...

Stephen Hawking Was Wrong—Extremal Black Holes Are Possible For decades, a black hole that has as much spin or charge as it can given it mass was...

HONOLULU (AP) — Investigators reviewing the emergency response to last year's wildfire that killed 102 people on Maui said in a report released...

HONOLULU (AP) — Investigators reviewing the emergency response to last year's wildfire that killed 102 people on Maui said in a report released...

HONOLULU (AP) — Investigators reviewing the emergency response to last year's wildfire that killed 102 people on Maui said in a report released...

HONOLULU (AP) — Investigators reviewing the emergency response to last year's wildfire that killed 102 people on Maui said in a report released...

HONOLULU, Hawaii (AP) — Investigators reviewing the emergency response to last year's devastating wildfire on Maui said in a report released Friday...