The chemical is known as thiepine, or 2,5-cyclohexadiene-1-thione (C₆H₆S), a ring-shaped sulfur-bearing hydrocarbon produced in biochemical reactions. When examining the molecular cloud G+0.693–0.027, a star-forming...

Scientists have created the most detailed map yet of dark matter—the mysterious substance that makes up most of the universe and quietly shapes everything...

Astronomers may have solved a long-standing mystery about how galaxies near the Milky Way move through space. New computer simulations suggest that our galaxy is...

When the rover now named Perseverance landed in Jezero crater in early 2021, scientists already knew they had picked an interesting place to scope...

Astronomers have discovered the largest sulfur-containing molecule ever seen in space, offering new clues about how the chemical ingredients of life may form long...

One of astronomy’s biggest mysteries has long puzzled scientists: how did black holes grow so enormous so quickly after the universe was born? New research...

Astronomers have discovered a vast cloud filled with vaporized metals and powerful winds orbiting a mysterious object far from its host star. The finding offers...

Mars is only about half the size of Earth and has just one-tenth of our planet’s mass. Compared with giants like Jupiter, it seems far...

Astronomers have witnessed an extraordinary cosmic catastrophe: a black hole tearing apart a massive star and devouring it piece by piece. The dramatic event, nicknamed...

Where did the carbon in our bodies and the oxygen we breathe come from? Astronomers have been asking this question for decades, and a new...

For years, spacecraft images have shown that the poles of Jupiter and Saturn are anything but calm. Each planet hosts giant atmospheric whirlpools called...

Astronomers have discovered one of the oldest “dead” galaxies ever seen—and its story is not one of sudden destruction, but of slow starvation. Using the...

Billions of years ago, the Red Planet was far more blue. According to evidence still found on the surface, abundant water flowed across Mars and...

Astronomers have identified a rare moment in the life of some of the universe's most energetic objects. Quasars were first observed 60 years ago, but...

NASA's Hubble Space Telescope is giving astronomers a rare look at a Jupiter-sized, still-forming planet that is feeding off material surrounding a young star. "We...

Our sun, like every other star, has a lifespan. It will spend billions of years glowing brightly before finally running out of fuel and transforming...

Astronomers have captured a stunning view of the Antlia Cluster, a group of galaxies glittering like cosmic jewels 130 million light-years away. The image, taken...