Edwin Hubble’s work on galaxies is legendary. In 1923 the astronomer, working at Mount Wilson Observatory in California, proved that M31, the “spiral nebula” in Andromeda, was another galaxy. In one ...

The Moon offers something for everyone. It’s visible most nights, its everchanging face has features one night not seen the previous night, and it doesn’t take an expensive setup to enjoy it. To help ...

Creating a mental image of a synchronicity requires that the person’s observing self notices two or more events with similar patterns and that the likelihood of their occurring together appears to be ...

NASA’s Earth Observing System provides nearly 30 years of continuous, high-quality measurements of Earth’s land, oceans, atmosphere, and ice, supporting climate research and long-term environmental ...

NASA is well known for observating space, but the agency also has a strong hand in monitoring Earth. NASA's Earth Observing System (EOS) is a collection of satellites designed to monitor and ...