The impact that carved out the South Pole-Aitken basin on the moon appears to have come from the north, not the south as previously thought – and NASA’s upcoming mission could investigate further ...

Not all stars are created equally. Astronomers believe that the first stars to form after the Big Bang were mostly made of only hydrogen and helium with trace amounts of lithium, as the heavier ...

Stevenson 218 is the largest known star in the universe, located about 18,900 light-years away in the constellation of Scutum and far surpassing even the sun in size and brightness. So immense that it ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density – given that the universe contains a lot of relatively empty space, could ...

Scientists may have finally uncovered the mystery behind ultra-high-energy cosmic rays — the most powerful particles known in the universe. A team from NTNU suggests that colossal winds from ...

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star, dubbed M31-V1, was key to showing that the universe extended far beyond ...

A black hole in a distant quasar is growing faster than the usual limit, according to Chandra observations. This may explain how the first supermassive black holes emerged. Astronomers have identified ...

A problem that has long been considered impossible to solve and that now, thanks to a breakthrough, can be calculated quickly and accurately.