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Yes, helium can be extracted from space. Helium is the second most abundant gas in the universe, and is found in stars, the interstellar medium, and the atmospheres of planets.

Helium in stars
• Helium is a byproduct of the fusion reactions that power stars.
• The sun is made up of about 25% helium, and some of this helium is released into space.
• Stellar lifting: A concept that explores extracting helium from the sun.

Helium in planets
• Helium-3 can be found in the atmospheres of Uranus and Neptune.
• Helium-rich atmospheres may also be found in warm Neptunes and warm sub-Neptunes.
• Helium-3 may also be found on Jupiter.

Helium on Earth
• Helium is also found on Earth, trapped in the Earth's crust.
• It's extracted from natural gas wells using a drill rig.