If you've been outside shortly after sunset this month, it's likely that you've noticed one, and possibly two, bright points of light in the sky. Are they UFOs? The North Star or the Dog Star?

In the photo from the space station, the comet is captured just above Earth’s horizon, which is illuminated by a bright light — also known as airglow — that occurs in the planet’s upper atmosphere ...

Researchers at the University of Michigan developed a new type of incandescent light bulb capable of emitting bright, twisted light—known as chiral light—using technology reminiscent of Thomas ...

It will remain a very bright light in the night sky until mid-January. The solar system's biggest planet is as bright and dominant as it gets, but there’s another, brighter planet around that ...