Low water levels along the Mississippi River due to drought are allowing saltwater to push dozens of miles upstream from the Gulf of Mexico. It’s having major impacts on the water supply in southeastern Louisiana, and now there are concerns that it could do the same in New Orleans if the wedge can’t be held back.
A last-minute, rushed rocket launch for the U.S. Space Force may have punched a hole in the Earth’s atmosphere. Rockets sometimes create holes in the ionosphere as a result of a chemical reaction between burning fuel and various gases found in the atmosphere. Here’s what you need to know.