The gas cloud, known as G2, is three times the mass of the Earth — which seems big until you consider the size of the black hole, which is 4 million times the mass of our sun. Unequal players ...

A viral video from 2022, showing a strange, dark cloud formation over Sydney, has resurfaced, sparking comparisons to dementors from Harry Potter. Despite the eerie appearance, experts have ...

Aerosol scientists quantify the extent of light absorption by black carbon in fire clouds to better model climate impacts of extreme wildfire events.

Stone et al. 2 investigate the source of aerosol black carbon in the Indian Ocean brown clouds through surface measurements at two sites in the Maldives, located in the northern Indian Ocean.

The "Black Cloud" installation, by Ukrainian artist Oleksiy Say, measures 30 metres (100 feet) long and 15 high, weighs nearly eight tonnes and is made from four kilometres of fabric.

The "Black Cloud" installation, by Ukrainian artist Oleksiy Say, measures 30 metres (100 feet) long and 15 high, weighs nearly eight tonnes and is made from four kilometres of fabric.