Fighting to survive, polar bears find icy oasis where they can "hang on"
Scientists tracked a group of polar bears that are genetically distinct and geographically separate from others.
Polar Bear
Christa Pike has pneumonia, unable to move arms after botched execution, lawyers say
Investigation
Congress tried to stop surprise medical bills. It created another problem.
Tropical Storm Isaias forms in Gulf, could reach U.S. as hurricane this weekend
How Israeli and Palestinian kids are coping 3 years after Oct. 7 attacks
Investigation
Weeks before Election Day, the FEC can't enforce the law
Live
Vance appears to soften U.S. demands on Iranian nuclear enrichment
Man eyed Mall of America for attack, pledged allegiance to ISIS, FBI says
Lawyers seek to stop execution today in Texas, citing Christa Pike's failed injection
