If you're lucky, when you look up at the night sky, you'll see thousands and thousands of points of light. These lights each ...

The green flash is a rare optical phenomenon above the horizon directly at sunrise or sunset. The color is caused by green ...

In 1987, an enormous blue arc, thought to be hundreds of trillions of miles long, was first considered one of the largest ...

Finally, in April 2025, MISTRAL delivered stunning images of the supernova remnant Cassiopeia A (Cas-A), one of the sky’s ...

Born of x-ray astronomy, a novel handheld gamma-optical camera stands at the nexus of medical and industrial imaging. By ...

Researchers at the International Center for Radio Astronomy Research (ICRAR) made the discovery about galaxies by studying ...

A new device uses quantum optics to filter out starlight in real time — bringing scientists closer to directly observing ...

The sun's corona—the outermost layer of its atmosphere, visible only during a total solar eclipse—has long intrigued ...

Scientists reveal the clearest images of the Sun’s corona using a new adaptive optics system, opening new paths for solar ...

The Giant Magellan Telescope offers sharper images, efficient light use, and the ability to find Earth-like planets.

Merely finding them in the first place — detecting their radio voices and photographing their odd and telltale light— was a cooperative triumph of radio and optical astronomy. It was Schmidt ...

Dubbed AT2024tvd, the burst of radiation from this " tidal disruption event " (TDE) was also picked up by NASA's Chandra ...