Fresh from space, NASA’s oldest full-time astronaut said Monday that weightlessness made him feel decades younger, with ...

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In weightlessness, on the other hand, Pettit felt the decades melt away. "It makes me feel like I'm 30 years old again," said Pettit, an astronaut since 1996 who ventured to space four times.

In weightlessness, on the other hand, Pettit felt the decades melt away. “It makes me feel like I’m 30 years old again,” said Pettit, an astronaut since 1996 who ventured to space four times.