Meet Porphyrion, the largest pair of black hole jets ever seen
Opposing fountains of plasma and particles spanning 23 million light-years are the longest pair of black hole jets ever seen. […]
Space
How to spot tiny black holes that might pass through the solar system
Black holes about the size of a hydrogen atom could be careening through the solar system unnoticed. But their days
In an epic cosmology clash, rival scientists begin to find common ground
The biggest clash in cosmology might be inching closer to resolution, thanks to the James Webb Space Telescope. Scientists disagree
50 years ago, satellites threatened astronomers’ view of the cosmos
Satellites hampering radio astronomy — Science News, October 5, 1974 In the past, the satellites and probes launched by NASA
Starlink satellites’ leaky radio waves obscure the cosmos
While SpaceX’s Starlink satellites are enabling internet access and cell phone communications around the globe, they’re also posing a threat
How did dark matter shape the universe? This physicist has ideas
At age 12, Tracy Slatyer felt sorry for a book. She read a newspaper article about how lots of people
Astronauts are actually stuck in space all the time
Imagine going on a week-long business trip and not coming home until next year. That may be the case for
A distant quasar may be circling all the galaxies around it
One of the most distant quasars known appears to have shut down the formation of new stars in all galaxies
The nearest middle-aged black hole could be a crowd of lightweights
Contrary to a previous report, there is no evidence for an intermediate-mass black hole in Omega Centauri, the Milky Way’s
The Webb Telescope’s look at a stellar nursery also finds minor planets
A distant stellar nursery holds a cluster of newborn worlds the size of Jupiter, the smallest of which is surrounded