About 16,000 light-years away, a massive star experienced an unusual dimming event. This can happen in binary stars when one…
The ESA's Gaia mission is releasing a new tranche of astronomical data. The mission has released three regular, massive hauls…
We've reported on Gaia's incredible data-collection abilities in the past. Recently, it released DR3, its latest data set, with over…
We don't have to worry too much about our Sun. It can burn our skin, and it can emit potent…
What causes an otherwise unremarkable star to become over 100 times brighter? That's a question astronomers have been pondering since…
The Nancy Grace Roman Telescope just received a new infrared filter that will allow it to explore even more of…
NASA's TESS, or Transiting Exoplanet Survey Satellite has one main job: finding exoplanets. But it's also helping astronomers study a…
Discovered in the late 18th century, Cepheid Variable stars have become an important tool for measuring the size of the…
In the late 18th century, Charles Messier was busy hunting for comets in the night sky, and noticed several “nebulous”…
Update: It’s off. This past weekend, the AAVSO issued Special Notice #395 calling off the campaign to observe Alpha Comae…