People in South Carolina heard a strange sonic boom on May 28, 2026, around 5:30 p.m. The USGS said it wasn't an earthquake. Could it have been a meteor?
An undersea volcano began erupting in the Bismarck Sea off the coast of Papua New Guinea on May 8, and it is still going. Will the volcano birth a new island?
A new global map from NASA shows areas that are seeing a reduction in light pollution. See the maps here and learn how to limit light pollution near you.
Cumulonimbus clouds, sometimes called thunderheads, are towering formations that can bring severe storms such as hail, lightning, flooding and tornadoes.
The synchronous fireflies are back! These lightning bugs flash in harmony in the Great Smoky Mountains and other nearby parks from mid-May to mid-June.