Sky This Week is brought to you in part by Celestron. Friday, February 6The bright star Sirius dominates the southern sky ...

41P/Tuttle-Giacobini-Kresak is now known to be in the Jupiter family of comets, going from a little inside Jupiter's orbit to almost as far as Earth on its 5.4-year orbit. It is notable for its large ...

Explore the notable celestial events this week, including Moon phases, planetary positions, and star formations, with detailed viewing times and locations based on Sky & Telescope reports.

Looking for a sky event this week? Check out our full Sky This Week column. February 11: Ganymede's shadow, Io cross Jupiter ...

February holds some spectacular sights in the night and morning sky. See what's happening in the skies over North Texas this ...

The MAPS Comet is expected to reach perihelion in early April, passing only 99,600 miles (160,200 km) above the surface of the sun (photosphere). To survive such a close approach, the comet needs to ...

Blue supergiant stars are hot, luminous stars that are larger than our sun (i.e., have more mass and larger radii), but smaller than red supergiant stars. They typically have surface temperatures ...

Here’s what is on during the rest of February at Northampton’s historic landmark, which boasts 900 years of history and is ...

This year's Dark Skies Festival runs from Friday, February 13 to the beginning of March and in addition to the Yorkshire Dales National Park will also take place in the North Yorks Moors National Park ...

New analysis on 2017 Hubble images of the Jupiter-family comet, 41P/Tuttle–Giacobini–Kresak (41P/TGK), indicates that the ...

A distant star system with four super-sized gas giants has revealed a surprise. Thanks to JWST’s powerful vision, astronomers detected sulfur in their atmospheres — a chemical clue that they formed ...