If the planet really were a primordial black hole, rather than a planet-sized mass of regular matter, then it would be no use trying to find it with typical planet-searching means.

It could be one black hole the size of a bowling ball with the mass of 10 Earths, or a number of smaller primordial black holes that add up to that mass. An artist's depiction of a large black hole.

The former AMF Airline Bowling Alley is shown here, in the process of being renovated for new business tenants including a Planet Fitness club. According to the city’s Code Enforcement ...

A Louisville, Kentucky-based franchisee plans to spend up to $2.5 million demolishing the former bowling alley and building a 20,000-square-foot fitness center at 4700 Summer Ave.

Planning a party? Look no further than a Fun Planet bowling birthday party. Packed with entertainment and no-stress planning, ...

GRAND HAVEN, MI - A bowling alley that has served the Grand Haven area since 1960 will soon be transformed into a Planet Fitness. The 3-acre parcel on which Starlite Lanes sits was recently sold ...

John Chapman is the manager at Planet Bowl at 5555 Eglinton Ave. West, just selected as the location for PanAm games bowling competitions. (Dec. 3, 2013) - Staff photo/MARY GAUDET ...

New Horizons spacecraft survives trip 1 billion miles beyond Pluto 02:03. It's an evocative idea that has long bedeviled scientists: a huge and mysterious planet is lurking in the darkness at the ...

Members of the 10th Planet Richmond team traveled to the Fuji Brazilian Jiu Jitsu Tournament in Bowling Green on Saturday. The event boasted over 400 total competitors. Despite facing the ...

Bowling lanes may be straight, but the Professional Women's Bowling Association has come full circle.The tour is hosting its Anniversary O ...