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W.M. Keck Observatory imagery of star system HR 8799 have been time-lapsed. The system hosts four planets that are more ...

"This is such a great example of how with astronomy we often begin ... famous Wolf-Rayet 104 “pinwheel star,” previously nicknamed the “Death Star.” W. M. Keck Observatory/Adam Makarenko ...

Wachmann, also known as Schwassmann-Wachmann 1, glows at 13th magnitude near Leo’s forefoot early this evening.

The future of yellow dwarf stars, like our sun, is determined almost entirely by their mass. The most massive stars, about ...

Astronomers from the University of Hawaiʻi's Institute for Astronomy (IfA) have discovered the most energetic cosmic ...

Mercury mingles with the star Mebsuta in central Gemini this evening, though you’ll need to catch the pairing shortly after sunset.

One of the ENTs studied in this work, named Gaia18cdj, released 25 times more energy than the most powerful supernova on ...

In the heart of distant galaxies, astronomers have witnessed the most violent stellar death throes ever recorded.

Astronomers captured the universe’s brightest, longest-lasting stellar explosions, where massive stars are torn apart by ...

Hinkle used years of observations from UH’s Asteroid Terrestrial-impact Last Alert System with telescopes on Haleakalā on ...