The star is ultrabright, blue, and super hot because it consumes its fuel incredibly fast. Our Sun loses 4 million tons of itself per second, but Alnitak weighs 200 million tons less each second.

A new 527-megapixel image captures two open star clusters, NGC 456 and NGC 460, orbiting our Milky Way galaxy. The image uses ...

As a blue star nears the end of the hydrogen-burning phase, ... Astronomy, January 2019. Deborah Byrd, "Spica, bright beacon of Virgo, is 2 stars", EarthSky, July 2021.

The lurker is a member of the open cluster M67, also known as the "King Cobra Cluster." This 4 billion-year-old group of 500 stars, located 2,800 light-years away, is loosely bound by gravity.

More information: Charles L. Steinhardt, Do Red Galaxies Form More Stars than Blue Galaxies?, The Astrophysical Journal (2025). DOI: 10.3847/1538-4357/adb95b Provided by University of Missouri ...

A powerful new telescope in Chile is set to transform astronomy, and its first pictures of stellar nurseries and galaxies ...

The most recent blue moon of its kind occurred on Oct. 31, 2020, and another one will not occur until May 31, 2026. Despite the nickname, the "super blue moon" on Aug. 30 will look like many other ...

An international team, including astronomers from Keele University, has performed a unique cosmic test to measure the mass of ...

Despite appearing "dead"—i.e., forming no new stars—some red galaxies may secretly be alive, quietly birthing small stars under our noses. This is the conclusion of astronomy professor Charles ...

Blue Skies Space is to launch its first satellite in partnership with SpaceX, with plans to sell researchers astronomy data 'as a service'.