Updated at 5:30 a.m. ET Wednesday

Even though Maria has weakened to a Category 4 storm, it remains a dangerous hurricane. Maria's maximum sustained winds are near 155 mph. The National Hurricane Center says the storm should keep that intensity until it makes landfall. Puerto Rico has long been spared from a direct hit by a hurricane.

Updated at 2:20 a.m. ET Wednesday

Sarah Dudas doesn't mind shucking an oyster or a clam in the name of science.

But sit down with her and a plate of oysters on the half-shell or a bucket of steamed Manila clams, and she'll probably point out a bivalve's gonads or remark on its fertility.

Updated at 5:30 a.m. ET

The National Hurricane Center says Hurricane Maria is an extremely dangerous storm. It was a Category 5 storm when it hit the island of Dominica. Later it was downgraded to a Category 4 hurricane. But a short time ago, forecasters says Maria had regained the strength of a Category 5 hurricane.

Updated at 3:15 a.m. ET Tuesday

Updated at 11:55 p.m. ET

People who live along the U.S. East Coast from North Carolina up to New England should monitor Hurricane Jose, forecasters say. The storm's winds won't get close to land until Sunday or Monday — but it was formally declared a hurricane again on Friday afternoon.

Snow leopards are no longer endangered, according to the global authority for assessing risks to species. However, the situation is looking dire for five species of ash tree, now listed as critically endangered.

The International Union for Conservation of Nature announced the changes to its Red List on Thursday.

Let's start with the good news.

The cleanup after Hurricane Irma is a massive undertaking, after the destructive storm hit Florida and neighboring states over the weekend. In Miami, a nun chipped in to clear trees in her neighborhood — and no one, it seems, can resist a story about a chainsaw-wielding nun.

Sister Margaret Ann was spotted at work by an off-duty officer of the Miami-Dade Police Department, which posted video and images from the scene in the community of Kendall West Tuesday.

Hurricane Irma was the longest-lasting powerful hurricane or typhoon ever recorded, worldwide.

Irma sustained its 185-mph winds for 37 hours – "the longest any cyclone around the globe has maintained that intensity on record," according to Phil Klotzbach, a research scientist at Colorado State University. The previous record was held by Typhoon Haiyan, also called Super Typhoon Yolanda, which hit the Philippines in 2013.

Some residents of Key Largo are being allowed back in Tuesday morning, but the Florida Keys are still largely without power, water, medical service and cell service. Most Keys residents are anxiously waiting to hear when they can return home, and others who stayed despite mandatory evacuations remain stranded there. More than 80 percent of customers in the Keys are currently are without power.

Kentucky Department of Fish and Wildlife Resources via Facebook

The Kentucky Fish and Wildlife Commission has recommended increasing the fee for most hunting and fishing licenses.