In context: Astronomers have been observing the wheel-shaped nebula NGC 1514 for over three centuries. In 1790, William Herschel described it as the first deep-sky object that looked cloudy.

Lagoon Nebula: Located in in the Sagittarius, this cosmic cloud displays swirling pinks and blues from young stars. It is about 4,000 light-years away from us. In this false-color image ...

The best portable projector delivers big-screen performance you can take with you anywhere. Whether you need a projector for presentations, gaming, or screening films, these are my top picks based ...