Scientists recreated dimethyl sulfide, a potential biosignature of extraterrestrial life, in a lab without life.

The most likely way we will discover life on a distant exoplanet is by discovering a biosignature. This can be done by ...

One way to understand the potential for life on far-off planets—those in other solar systems that orbit different stars—is to ...

Pollution emerges as the missing piece in an Arctic ice puzzle, highlighting humanity's vast impacts, although there is a ...

Air pollution from fossil fuel burning reaches the remote Arctic in amounts large enough to alter its atmospheric chemistry, ...

One way to understand the potential for life on far-off planets — those in other solar systems that orbit different stars — ...

Dimethyl sulfoxide (DMSO) is a compound used in many products, such as makeup, paint removers, cleaners, essential oils, and ...

A Dartmouth-led study on ice cores from Alaska and Greenland found that air pollution from the burning of fossil fuels ...

If there’s thunder and lightning, the electricity can force three oxygen atoms together to form ozone which has a sharp fresh ...

A Dartmouth-led study on ice cores from Alaska and Greenland found that air pollution from the burning of fossil fuels reaches the remote Arctic in ...

Here, we explore if the various types of geoengineering under consideration are too much of a risk to contemplate.