It may have been a bruising year for sustainability, but there were displays of biodiversity resilience and climate ...

A new study published in the journal Atmospheric Chemistry and Physics reveals a 17-year delay in the projected recovery of ...

A promising new study suggests that Earth's ozone layer could be back on track to a full recovery after four years of ...

Air quality monitoring at Boulder Reservoir on the ropes According to the Boulder County air quality program coordinator, funding for the county air quality monitoring facility at Boulder Reservoir is ...

To stop them from becoming space junk, satellite operators send spacecraft to burn up in the atmosphere at mission’s end. The ...

These structures provide matter to the supermassive black hole, driving its intense radiation. Quasar 3C 273 was the first ...

Every galaxy has a supermassive black hole at its center, much like every egg has a yolk. But sometimes, hens lay eggs with two yolks. In a similar way, astrophysicists like us who study supermassive ...

Alternatively, a faster primordial black hole might leave behind straight tunnels large enough to be visible by a microscope if passing through solid material, including material right here on Earth. ...

The Weatherhood forecast for Tuesday, December 3, is for a mix of sun and cloud in the qathet region with little chance of ...

The researchers calculated the maximum size for a hollow planetoid without collapsing under its own weight—no larger than one-tenth of Earth's radius—making it more likely to be classified as a minor ...

A theoretical study suggests that small black holes born in the early universe may have left behind hollow planetoids and microscopic tunnels, and that we should start looking within rocks and old ...