Dolphins have surrounded the Nasa rescue craft as astronauts Butch Wilmore and Suni Williams returned to Earth after their SpaceX capsule spectacularly splashed down off the coast of Florida.

Williams and Wilmore returned to Earth after the pair endured an unexpected extended stay on the International Space Station.

Dolphins have surrounded the Nasa rescue craft as astronauts Butch Wilmore and Suni Williams returned to Earth after their SpaceX capsule spectacularly splashed down off the coast of Florida.Williams and Wilmore returned to Earth after the pair endured an unexpected extended stay on the Internationa...{ai:summary}<p>Astronauts Butch Wilmore and Suni Williams have successfully returned to Earth aboard a SpaceX capsule, splashing down off the Florida coast. Their return followed an unexpected extended stay on the International Space Station, marked by the presence of dolphins surrounding the rescue craft. </p><p>#science</p>

WATCH: Dolphins surround SpaceX capsule as Nasa astronauts return to Earth

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