NASA's PUNCH sun-studying mission has seen first light — and the team says all four instruments are indeed working as ...

The "skyglow" produced when light from cities bounces off clouds can help cyanobacteria and other aquatic microbes grow at ...

To best see the Lyrid meteor shower, Griffith Observatory's director suggests heading to the mountains or desert to get away ...

DNI Director Tulsi Gabbard announced the release of the first batch of Robert F. Kennedy assassination files on Friday after ...

Knots are generally understood to form due to twists and turns of long, flexible materials that keep shoes on your feet or ...

First discovered in the 1990s, dark energy has come to feel like a familiar face of the cosmos. Astronomers first imagined ...

Photophobia describes a sensitivity to light, not a true phobia. It can cause eye pain and even migraines. Learn what helps ...

Researchers in optics and brain and cognitive science are investigating whether neurons can transmit light in a manner ...