Tom Cunneff

Megan McArthur said the ISS' robotic arm is "operating completely normally" after space debris caused a small hole to form

"Getting a chance to fly as a human without a spaceship is a pretty cool experience," says Bob Behnken, whose wife and fellow astronaut, Megan McArthur, is leaving Earth next Thursday for six months in space

Megan McArthur will be on the International Space Station for six months while her husband and fellow astronaut Bob Behnken takes care of their son Theo

Golf icon Arnold Palmer died Sunday at age 87

"There's a lot of things to think about that I never had to think about before," Heather Abbott tells PEOPLE