Here’s What Happens When a Supermassive Black Hole Fails to Do Its Job [Video]
A new study reveals what happens when a supermassive black hole in the center of a galaxy cluster stops being active. By combining data from…
A new study reveals what happens when a supermassive black hole in the center of a galaxy cluster stops being active. By combining data from…
Headed to the Red Planet with the Perseverance rover, the pioneering helicopter is powered up for the first time in interplanetary space as part of…
A special type of aurora, draped east-west across the night sky like a glowing pearl necklace, is helping scientists better understand the science of auroras…
Marking its 15th anniversary since launch, one of the oldest spacecraft at the Red Planet has provided glimpses of dust devils, avalanches, and more. Since…
Hubble Detects Dense, Heated Material Moving Through the Star’s Atmosphere The aging, bright-red supergiant star Betelgeuse has captivated skywatchers since antiquity. The ancient astronomer Ptolemy…
Arctic sea ice is subject to some serious travel restrictions. Penned in by major land masses, most ice that forms in the Arctic Ocean stays…
Yesterday, the OSIRIS-REx spacecraft performed its final practice run of the sampling sequence, reaching an approximate altitude of 131 feet (40 meters) over sample site…
Dozens of times over the last decade NASA scientists have launched laser beams at a reflector the size of a paperback novel about 240,000 miles…
On July 4, NASA’s Transiting Exoplanet Survey Satellite (TESS) finished its primary mission, imaging about 75% of the starry sky as part of a two-year-long…
The Perseid meteor shower is here! With Comet NEOWISE making its way out of the solar system, it is time for a celestial show caused…
Data from NASA’s recent Dawn mission answers two long-unresolved questions: Is there liquid inside Ceres, and how long ago was the dwarf planet geologically active?…
On August 4, 2020, a devastating explosion rocked the port area around Beirut, Lebanon. After the event, scientists used satellite radar imagery to map the…
Insights and technology gleaned from creating a carbon-measuring instrument for Earth climate studies is being leveraged to build another that would remotely profile, for the…
NGC 1614, captured here by the NASA/ESA Hubble Space Telescope, is an eccentrically-shaped galaxy ablaze with activity. The galaxy resides about 200 million light-years from…
This photograph, taken by an astronaut from the International Space Station (ISS), captures the bright urban lights of two Chinese port cities. Xiamen and Quanzhou…
Vast areas of the Martian night sky pulse in ultraviolet light, according to images from NASA’s MAVEN spacecraft. The results are being used to illuminate…
Helium is the second most abundant element in the universe after hydrogen. But scientists aren’t sure just how much there actually is in the Sun’s…
The “surfer waves” in this image, forming high above the Alaskan sky, illuminate the invisible currents in the upper atmosphere. They were measured by trimethyl-aluminum…