Why Atlantic hurricane development is different in October

Orionids to peak Monday night with up to 20 meteors per hour

Drought lowering Mississippi River levels again, disrupting shipping; plus, carbon dioxide in atmosphere reaches new high

Powerful storm delivers wettest October day in years to California cities; also, ORC rings discovered in deep space

Severe thunderstorms to form, shift eastward across the central US

What could the tropics have in store for the rest of October?

East Coast tropical wind and rainstorm to bring top-5 storm surge while multiple Pacific storms will bring a taste of winter from California to Montana

La Nina is here: What it means heading into winter; plus, an 80-year-old becomes oldest woman to complete the AT

Pacific tropical rainstorms to unleash major flash flooding in southwest US; also, a powerful tropical rainstorm will unfold along the East Coast

Coastal storm to hammeTropical Storm Jerry to take a swipe at the northern Caribbeanr US East Coast with flooding, wind and erosive surf; also

Much-needed rain as well as a cool down on the way for the East

Likely tropical storm in the Atlantic, eastern Pacific hurricanes highlight a new week in the tropics ... and more

Temperature roller coaster and much-needed rain on the way for the East; plus a rare Rare high-elevation tornado hit Colorado mountains at over 11,000 feet

King tides are coming to the Southeast coast: Here's what to know

July or October? Heat to challenge records across Midwest into the weekend

Dry stretch and drought continuing in central and eastern US; also, a rare Jay hybrid emerges in Texas

Two meteor showers will light up October nights

Expansive dry air to intensify drought across central & eastern US ; also, the end of North American monsoon will bring warmer, drier weather to the southwest

Tropical Storm Imelda forms; To bring flooding, damaging surf to southeast US Coast

Imelda may soon spring to life, pose significant risk to US