Astronomers Discover a Strange Galaxy Without Dark Matter
New, high-resolution observations of a faint, fluffy galaxy suggest that dark matter’s not as ubiquitous as scientists thought. ..
New, high-resolution observations of a faint, fluffy galaxy suggest that dark matter’s not as ubiquitous as scientists thought. ..
The agency wants to hunt exoplanets, so it’s designing star shades and coronagraphs that block out starlight and give telescopes a clear view. ..
After decades of hard work and controversies, NASA scientists ready Hubble’s massive successor for its mission to probe the distant universe. ..
Physicists are translating commonsense principles into strict mathematical constraints for how our universe must have behaved at the beginning of time. ..
Here’s what happens on the longest night of the year—in the solar system and across different cultures here on Earth. ..
Opening next year, the Vera Rubin Observatory can show how dark matter affects the evolution of galaxies. ..
The DART mission is scheduled to launch early Wednesday. It will crash into an asteroid to see if it's possible to deflect one. ..
The space telescope’s latest hardware problem has kept it offline for two weeks, raising concerns that the decades-old spacecraft is running out of time. ..
The Astro2020 Decadal Survey's top priorities include new telescopes, the search for habitable exoplanets, and far-infrared and x-ray probe missions. ..
Scientists used NASA’s Juno spacecraft to probe the massive storm, finding that it’s not as shallow as previously thought. ..