CAPE CANAVERAL, Fla. (AP) -- Astronauts ventured back outside the international space station to perform more repair work on a jammed joint Thursday and promised to keep a tight grip on all their tools so nothing would get away this time....

WASHINGTON (AP) -- Does a messy neighborhood make a difference on how people act? It sure does! Graffiti on the walls, trash in the street, bicycles chained to a fence, all resulted in a decline in how people behaved in a series of experiments....

HERODIUM, West Bank (AP) -- King Herod may have been buried in a crypt with lavish Roman-style wall paintings of a kind previously unseen in the Middle East, Israeli archaeologists said Wednesday. The scientists found such paintings and signs of a regal two-story mausoleum, bolstering their conviction that the ancient Jewish monarch was buried there....

SALT LAKE CITY (AP) -- Trouble-making zebra mussels have arrived in Utah. But not where they were expected to show up....