Treats are in store for stargazers at both ends of the short summer nights this June. Evenings belong to Saturn, a beacon in the southwest. Not sure which object is the ringed planet? Look the ...

These spots are even larger than the entire surface of our sun — which is why XX Tri has been dubbed "the most spotted star in the sky," Kővári said. The study was also the first to show how ...

As a hypergiant star, UY Scuti's immense size is almost incomprehensible, with a radius about 1,700 times larger than that of our Sun. This means if UY Scuti were placed at the center of our solar ...

Data from the Gaia spacecraft shows that even unassuming stars can host monumental companions like massive planets.

Wolf-Rayet stars are supernovae in the making. The stars are generally larger than the Sun, but are rapidly losing mass as they reach the ends of their lives. When the stars do eventually die ...

Using a new method they developed, they analysed Kepler space telescope data on the fluctuations of more than 56,000 Sun-like stars during the period between 2009‒2013. This dataset, which is much ...

An exoplanet is a planet that orbits a star other than our sun. “But the planet is too close to the host star, closer than the habitable zone … even if the star is about 2,500 degrees cooler ...

On average, a neutron star has 1.4 times the density of the Sun. However, the Sun is more than a million kilometres wide. The typical neutron star, on the other hand, is smaller than the average city.

As soon as the Sun goes down one really bright star is ... you’ll also see its four giant moons Galileo (which is bigger even than the planet Mercury) alongside Europa, Callisto and Io.