San Francisco International Airport Weather Forecasts

Get ready for a busy and possibly "extremely active" hurricane season, said forecasters who today (May 23) unveiled their predictions of the number and intensity of storms expected in the Atlantic Ocean basin during the 2013 hurricane season.

MOORE, Okla. (AP) — One loved the spotlight. Another was nicknamed "The Wall" because of the force he brought to the soccer field.

A satellite image available via Google Maps shows the path that a deadly tornado took as it tore through Moore, Okla., on Monday (May 20) and the scar it etched into the suburban landscape.

Few have explored the remote volcanic islands of the Galapagos archipelago, an otherworldly landscape inhabited by the world's largest tortoises and other fantastical creatures that inspired Charles Darwin's ...

On March 1, 2007, an EF4 tornado ripped through the southern Alabama town of Enterprise. In its wake, hundreds of homes and businesses were destroyed. But the single most tragic event was the destruction of Enterprise High School, where I was principal at the time, and the deaths of eight students.

MOORE, Okla. (AP) — A band of thunderstorms battered the Oklahoma City area Thursday, slowing cleanup operations in the suburb where a tornado killed 24 people and destroyed thousands of homes this week.

Heat-related deaths in New York City's borough of Manhattan may rise about 20 percent over the next decade, according to a new study.

The scenes of devastation in Moore, Okla., after a possibly 2-mile-wide tornado tore apart schools and homes on Monday (May 20) led to an inevitable question: Could anything have been done to save buildings and lives?

Monday's monster tornado in Moore, Okla., was a terrible reminder of nature's tremendous wrath for people in Joplin, Mo., a town also hit by one of the country's worst twisters.

Vials of moon dust brought back to Earth by the first men on the moon have been found inside a lab warehouse in California after sitting in storage unnoticed for more than 40 years.

China’s growing space prowess shows no signs of slowing, the U.S. Department of Defense said in its annual report to Congress on military and security developments involving the People’s Republic of China.

By Carey Gillam and Ian Simpson MOORE, Oklahoma (Reuters) - Tornado survivors thanked God, sturdy closets and luck in explaining how they lived through the colossal twister that devastated an Oklahoma town and killed 24 people, an astonishingly low toll given the extent of destruction. At least one family took refuge in …

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.