Dan Diamond is a national health reporter for The Washington Post, focused on accountability, federal agencies and public health. He joined The Post in 2021 after covering the Trump administration ...

The issue has also sparked discussion of a phenomenon known as Kessler syndrome. Kessler syndrome is a hypothetical scenario proposed by NASA scientist Donald J. Kessler in 1978, predicting what ...

The event Reddy referred to is a hypothetical phenomenon called Kessler Syndrome. Named for American astrophysicist Donald Kessler and based on his 1978 academic paper, Kessler Syndrome — as the ...

All of this debris floating around in space could lead to a theoretical scenario known as the Kessler Syndrome. Here's what to know about space junk, why it's a problem and what's being done about it.