NASA's Swift Observatory caught a rare black hole tidal disruption 30,000 light-years from its galaxy's center. The post A ...

Mercury reaches its greatest western elongation, Iapetus passes close to Saturn, and the Moon occults the Pleiades in the sky ...

The Perseid meteor shower will peak from the evening of Aug. 12 into the early morning of Aug. 13. The best viewing for L.A.

NASA's Swift Observatory confirmed the existence of a faraway supermassive black hole — and also captured it devouring a ...

Astronomers captured the clearest evidence yet that another star orbits Betelgeuse. The likely companion appears two to three times heavier than the Sun and may circle Betelgeuse about once every six ...

Four-point stars, decorated with a wide variety of colors and designs, are scattered among artworks created by those ages 2 ...

Constellation is now undertaking a $1.6 billion effort to restart the nuclear power plant, which will supply 835 megawatts of ...

The University of Wyoming Harry C. Vaughan Planetarium will kick off the fall semester with a hybrid offering of a short film ...

Betelgeuse is a superstar among the stars — one of the brightest in the night sky, a massive ​red supergiant in the constellation Orion that sometimes brightens and dims, and adds to its allure with ...

In its 21st year at Grant Park, Lollapalooza will send ground-shaking soundwaves through downtown Chicago July 30 to Aug. 2.

The newly detected star appears much larger than expected and could influence Betelgeuse's eventual supernova explosion.

Here's how Illinois residents can catch a glimpse of July's Buck Moon, including the best viewing spots and weather forecast.