(Wladimir Bulgar/NASA/Science Photo Library RF/Getty Images) High above your head, it's getting a bit crowded. In low-Earth ...

A nuclear explosion might save Earth from a deadly asteroid, but new research suggests that hitting the wrong side could make ...

This 3D simulation explores the potential effects of a hypothetical 100-megaton nuclear explosion over New York City, ...

Understanding the nuances of nuclear fallout—whether from a nuclear weapon or accident—could help save countless lives. A new study from scientists at Lawrence Livermore National Laboratory have ...

Nuclear winter refers to extreme global cooling that can occur after large-scale nuclear war. Firestorms from detonations loft hundreds of millions of tons of soot into the stratosphere, blocking ...

For more than six decades, local scientists have collected sugar maple leaves from Gatineau Park to measure their radiocarbon ...