Scientists Find Raspberry Sugar Floating Between Stars

The space between stars just became a little sweeter, and scientists are thrilled about what it means for life beyond Earth.

Astronomers using radio telescopes in Spain discovered erythrulose floating in gas clouds near the center of the Milky Way. This sugar, which also gives raspberries their flavor and shows up in self-tanning lotions, is one of the most complex sugars ever found drifting through space.

The finding matters because sugars do far more than sweeten our coffee. They power our cells and form the backbone of DNA, making them essential ingredients for life as we know it.

Researchers collected data from a large gas cloud in the interstellar medium, the thin stretches of gas and dust between stars. By comparing telescope signals to lab samples, they identified the sugar in its gaseous form floating through a region once crossed by NASA's Voyager spacecraft, the farthest human-made objects ever to travel from Earth.

This isn't the first time scientists have found sugars in space. About 25 years ago, they spotted a cousin to table sugar near the Milky Way's center. More recently, NASA's Osiris-Rex mission found other sugars on asteroid Bennu, supporting theories about how early life on Earth might have survived.

The newly discovered erythrulose isn't essential for life itself, but it can easily convert into forms thought to be crucial for jump-starting life on Earth. Astrophysicist Erika Hamden from the University of Arizona, who wasn't involved in the research, called it "a pristine example of the stuff that's just floating out in the galaxy."

The Ripple Effect

This discovery helps answer one of science's biggest questions: Did space rocks deliver life's ingredients to Earth, or were they already here when our solar system formed? The new sugar points toward the latter, suggesting these building blocks were present from the beginning.

Study author Izaskun Jiménez-Serra from the Center for Astrobiology in Spain believes finding sugars in one location means they're likely hiding throughout the galaxy. If the key ingredients for life exist in multiple regions across space, life could develop elsewhere in the universe.

Researchers plan to search for more sugars in different corners of space and study how they transform into various forms. Each discovery brings us closer to understanding how life began and whether we're truly alone in the cosmos.

The universe keeps revealing it's stocked with the raw materials needed to create something extraordinary.