"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant ...

Learn more about how the Vera C. Rubin Observatory will capture more of our stunning universe.

The closest nebula to Earth is the Helix Nebula, which is about 700 light years away from Earth. Space telescopes are invaluable for studying nebulae, which are often faint and dim.

The Crab Nebula, a supernova remnant nebula. Blue in the filaments in the outer part of the nebula represents neutral oxygen, green is singly-ionized sulfur, and red indicates doubly-ionized oxygen.

The word 'nebula' comes from Latin, meaning "little mist." Before telescopes existed, astronomers considered all such faint deep-sky objects to be nebulae.

If the skies are clear, check out the Veil Nebula The Veil Nebula is the remnant of a supernova that exploded about 7,000 ...

Specifically, the What If…? season 2 episode will start from the moment in time where Thanos captures the 2023 Nebula (Karen Gillan) and her Time Heist bracelet.

Researchers are developing promising suppression systems for painful conditions—even an app on your phone that turns the pain ...