Perched atop the summit of Mauna Kea in Hawaii, the Gemini North Observatory is one of the world's most powerful windows into ...

Look to the east after sunset on a clear winter night and you’ll spot a bright, tightly packed collection of stars. That’s ...

Stars come in many forms, but some types are so rare that only a handful exist in our galaxy. For example, O-type stars ...

When you look up at the night sky, it might seem like all stars are basically the same, as just tiny points of light scattered across the dark. However, in reality, stars come in an astonishing range ...

The newly announced Landolt NASA Space Mission will launch a bread box-size "artificial star" satellite that will mimic stars by shining lasers directly at ground-based telescopes. This will enable ...

An incredibly brief, ultrabright explosion has led astronomers to a newfound magnetic star outside the Milky Way, which could be the first of many extragalactic magnetars, according to new research.

The November full moon is upon us, heralding a spectacular natural light show as the largest supermoon of 2025 takes to the ...

Mercury is very close to the Beehive star cluster in the evening sky. Binoculars will show both Mercury and the Beehive cluster an hour after sunset. Mercury's brightness is decreasing. Mercury will ...