Our solar system has always been revolving around the galactic center. Astronomers have observed that at this moment, the solar system is crossing a vast and hot cosmic cavity known as the " Local ...

High in the Milky Way, a dying giant has thrown astronomers a cosmic curveball. A star known as DFK 52, sitting in the massive Stephenson 2 cluster about 19,000 light-years away, has been caught ...

The Earth sits in a 1,000 light-year-wide void surrounded by thousands of young stars, but how did those stars form? “This is really an origin story; for the first time we can explain how all nearby ...

Monisha Ravisetti was a science writer at CNET. She covered climate change, space rockets, mathematical puzzles, dinosaur bones, black holes, supernovas, and sometimes, the drama of philosophical ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

A huge gas bubble is swirling around the Milky Way's supermassive black hole at almost a third of the speed of light, reveals a study. As big as the planet Mercury, it completes a full circle in just ...

For the 26th birthday of NASA’s Hubble Space Telescope, astronomers are highlighting a Hubble image of an enormous bubble being blown into space by a super-hot, massive star. The Hubble image of the ...

The Earth sits in a 1,000-light-year-wide void surrounded by thousands of young stars — but how did those stars form? In a paper appearing Wednesday in Nature, astronomers at the Center for ...