De Graff Weather Forecasts

The global positioning system (GPS) — the same system that helps people navigate unfamiliar places — could also serve as an early-warning system for tsunamis, according to new research.

MOORE, Okla. (AP) — The tornado that tore through an Oklahoma City suburb destroyed or damaged as many as 13,000 homes and may have caused $2 billion in overall damage, officials said Wednesday.

The lunar crash site from an meteorite strike on the moon is taking center stage in cosmic crime scene investigation and you can see the space rock impact zone online in a free webcast tonight (May 22).

How do you protect yourself from a tornado that reaches 2 miles wide with wind gusts above 200 miles per hour?

A meteorite that originated on Mars is expected to fetch at least $160,000 when it hits the auction block June 2 as part of a collection of rare geological specimens.

After months of drifting across the North Atlantic, a luckless, abandoned cruise ship spotted drifting off the coast of Ireland may have finally sunk beneath the waves.

A Russian space capsule carrying lizards, mice, gerbils, fish and other creatures has safely returned to Earth, but not all of its animal passengers survived the month-long spaceflight, according to news reports.

By Carey Gillam and Ian Simpson MOORE, Oklahoma (Reuters) - Rescuers went building to building in search of victims and thousands of survivors were homeless on Tuesday after a massive tornado tore through the Oklahoma City suburb of Moore, wiping out whole blocks of homes and killing at least 24 people. The death toll was …

WASHINGTON (AP) — Everything had to come together just perfectly to create the killer tornado in Moore, Okla.: wind speed, moisture in the air, temperature and timing. And when they did, the awesome energy released over that city dwarfed the power of the atomic bomb that leveled Hiroshima.

In the aftermath of the devastating tornado that hit Moore, Okla., yesterday (May 20), search-and-rescue dogs are on the ground hunting for survivors amidst the rubble.

Monday's deadly twister in Moore, Okla., struck a devastating blow to a region hit by five tornadoes in 15 years, including the strongest tornado ever recorded.

A monstrous tornado that ripped through Oklahoma Monday (May 20) piling cars on top of one another, demolishing an elementary school and killing several adults and children, may owe its power and deadliness partly to a convergence of jets of air, say meteorologists.

MOORE, Okla. (AP) — The state medical examiner's office has revised the death toll from a tornado in an Oklahoma City suburb to 24 people, including nine children.

OKLAHOMA CITY (Reuters) - Officials in Oklahoma City said on Tuesday that 24 bodies were recovered after a devastating tornado tore through Moore, Oklahoma, a sharp decline from the 51 deaths they previously reported. "We have got good news. The number right now is 24," said Amy Elliott, chief administrative officer at …

“Disasters such as the Oklahoma tornadoes can cause fear, anxiety and stress in children, which can last long after the initial impact," said Carolyn Miles, president and CEO for Save the Children.

President Barack Obama pledged the government's full support to help Oklahoma recover from the tornado that has flattened communities and left dozens of people injured or dead.

A deadly tornado hit suburban Oklahoma City on Monday. A quick look at some basic facts:

WASHINGTON — If an extreme solar storm aimed at the Earth hits in just the right way, it could put interconnected electrical grids around the world at serious risk, experts say.