Astronomers observe evolution of a black hole as it wolfs down stellar material
Halo of highly energized electrons around the black hole contracts dramatically during feeding frenzy.
Halo of highly energized electrons around the black hole contracts dramatically during feeding frenzy.
Measurements indicate a dense, gaseous, “sub-Neptune” world, three times the size of Earth.
Researchers design CubeSats with lasers to provide steady reference light for telescopes investigating distant planets.
MIT astronomer and writer investigates ancient starlight and shares her excitement about the cosmos.
The observatories are also releasing their first catalog of gravitational-wave events.
Existing laser technology could be fashioned into Earth’s “porch light” to attract alien astronomers, study finds.
Former Astrophysics Division chair discovered radio noise from Jupiter and the first Einstein Ring, and developed tools to map the universe.
In “Dispatches from Planet 3,” Marcia Bartusiak illuminates overlooked breakthroughs and the people who made them.
Results are among the strongest evidence yet for “spooky action at a distance.”
Bright light from black hole in a feeding frenzy had been obscuring surrounding galaxies.
Measurement of an exoplanet transit demonstrates proof of concept that small spacecraft can perform high-precision photometry.
The positively charged particles may have an outsize influence on the properties of neutron stars and other neutron-rich objects.
New data may explain star’s mysterious dimming.
The “ghostly particle” is confirmed to have originated from a blazar, nearly 4 billion light years from Earth.
Signals from rare black hole-neutron star pairs could pinpoint rate at which universe is growing, researchers say.