gas dust

Scientists believe they have identified the region with the cleanest air quality in the world, free of dust particles caused by human activity.

The star, known as U Camelopardis and in the constellation Camelopardalis (Giraffe), is in the final stage of life, the European Space Agency (ESA) said. Helium gas in its core is

The Helix Nebula is dubbed

The eruption of a volcano under the Atlantic Ocean could lead to the formation of a new island near Spain, scientists predict.