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Comet A3 Tsuchinshan-ATLAS proved to be photogenic as it lit up the early autumn skies of the Northern Hemisphere this month.

Emanating from Amazon MGM Studios and Blur Studio ("Love, Death + Robots"), " Secret Level " showcases 15 original animated ...

Betelgeuse, the second-brightest star in the constellation Orion, is a giant star whose strange dimming has sparked debate over when it will collapse and explode in a massive supernova. Now, however, ...

The largest and oldest-known impact site on the moon is the South Pole-Aitken (SPA) basin, stretching across nearly 1,250 miles (2,000 kilometers) of the far side of the moon. And thanks to new ...

"The overarching structure of the universe is the Cosmic Web, which you can imagine as a spider web, or a fishing net, in 3D. The basins of attraction are superimposed on this structure surrounding ...

It is also theoretical. Astronomers infer the Oort Cloud is there because it’s the only logical explanation for the arrival of a certain class of comets that sporadically visit our solar system. The ...

The budget caps set by the Fiscal Responsibility Act last year are only for fiscal year 2024 and fiscal year 2025. Which party wins the House, Senate, and White House in November, Smith observed, will ...

In 2006, the International Astronomical Union (IAU) voted on the definition of a planet. Famously, Pluto no longer met the criteria and was demoted to a dwarf planet. Things have been a bit of a mess ...

Now, researchers using NASA's Imaging X-ray Polarimetry Explorer (IXPE) have gathered data about 12 known black holes to determine the structural properties of accretion disks around different sized ...

When black holes merge, what happens inside of them is anybody's guess. Black hole mergers are beautiful — and some of the most violent events in the cosmos. Here's how the process unfolds.