Astronomers have discovered extraordinarily powerful X-ray jets blasting from two supermassive black holes that are so ...

Ultraluminous X-ray sources are objects that shine 10 million times as bright as the sun. Scientists have said ... toward a massive object, such as a black hole or a dead star.

Even when you remove the bright stars, the glowing dust and other nearby points of light from the inky, dark sky, a background glow ... is far enough from the sun that scattered sunlight doesn ...

The bright sun, a portion of the International Space Station and Earth's horizon are featured in this space wallpaper photographed during the STS-134 mission's fourth spacewalk in May 2011.

The ESA Solar Orbiter spacecraft is currently studying the sun. Among the discoveries made by the spacecraft so far are a surprising number of small and very bright regions in the hot solar corona ...

Representative image via Pexels The sun is hot and bright because of a process called nuclear fusion. Nuclear fusion is when the sun's core (the center of the sun) smashes together tiny particles ...

Solar spectacular The rare appearance of bright spots on the Sun's surface is caused by material raining down from solar flares, reveal close-up images of a solar eruption. Researchers led by ...