Flickering coronal loops in the Sun's outer atmosphere could act as an early warning system for solar flares, according to new research.
The reliable telescope on a Hawaiian mountaintop is about to get a big upgrade.
The company may have found a new way to keep its satellites from ruining telescope images.
The circumgalactic medium, a vast gaseous halo surrounding galaxies, could be crucial to the evolution of star-forming galaxies like our own.
Chile's Atacama Desert is home to some of the best Earth-based observatories, though an energy company is throwing a wrench in the works.
The research team says it’s time to “think outside the box” since nothing else is working.
The supernova that caused the nebula was recorded by Japanese and Chinese astronomers in the 12th century. Now, we know exactly what the aftermath looks like.
Trust me, we're not happy about it either.
The newly identified three-body system has a problem, and it’s not aliens—it’s that in about 20 million years, the stars are expected to merge and explode.
The yet-to-be-named comet will make its closest approach to the Sun on October 28, and it could either burn up into oblivion or put on a fantastic show.
The upcoming annular eclipse will block out only a small portion of the Sun, and almost no one will be able to see it.
A distant star system offers hope that our planet will keep spinning, even after the Sun expands into a red giant.
Comet C/2023 A3 (Tsuchinan-Atlas) won't be this close to Earth again for over 80,000 years, assuming it survives its approach to the Sun.
On Tuesday night, a celestial trifecta is set to occur as a partial lunar eclipse coincides with a Harvest Moon, which also happens to be a supermoon.
The tiny asteroid will complete a wide orbit over the course of 53 days, but don't get your hopes up about seeing it.
At just 300 light years apart, it's the closest duo yet discovered.
Previous studies concluded there were some weird light-generating objects out there, but that doesn't appear to be the case.
Polaris is speckled and a whopping 46 times wider than the Sun, a new study finds.
Object CWISE J1249 is a bit of a mystery; all we know is that it has some unique properties and it's moving really fast. Like, really fast.
Citizen scientists are invited to use a specialized app to sift through photos captured by powerful telescopes, searching for signs of neutron stars merging.
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