Aerospace engineers found that greenhouse gas emissions are changing the environment of near-Earth space in ways that, over time, will reduce the number of satellites that can safely operate there.

A total lunar eclipse is a relatively rare astronomical event because the moon usually passes above or below Earth’s shadow in the sky due to the tilt of its orbit. But once or twice a year the ...

March 22 marks the 40th anniversary of the Vienna Convention for the protection of the ozone layer. This international agreement laid the foundation for the global protection of the stratospheric ...

NASA’s Butch Wilmore and Suni Williams, whose weeklong Boeing Starliner mission turned into an extended stay in space, have ...

However, in recent years, weather forecasting centres around the world have realized that in order to improve ... The links between these two layers of the Earth's atmosphere that affect both ...

A brush can be applied to any rough finish to give a smoother texture with some relief. On natural stone, due to their geological make-up, each stone will "leather" in their own unique way, so some ...

The Refrigerant Management Program is part of a suite of climate policies that work together to cut carbon pollution and ...

The most massive black holes can cover galaxies with immense radiation. However, this need not be harmful for possible ...

The new podcast Inflection Point leans on C&EN’s 100-year archive to trace headline topics in science today back to their ...