Near downtown Pittsburgh, along the 10th Street Bypass and Allegheny riverfront trail, large metal rings that look like giant doorknockers are fixed to retaining walls. They’re rusty and discolored ...

It has been more than a week since reports first emerged about a “glowing ring of metal” that fell from the sky and crashed near a remote village in Kenya. According to the Kenya Space Agency, the ...

Talk about a close call! A large metal ring suspected to be space debris, measuring around 8 feet wide and weighing a hefty 1,100 pounds, crashed in a village in Kenya earlier this week. Preliminary ...