This lake in northwest Russia is small compared to Lake Baikal, yet it still manages to make a stately appearance in satellite imagery.

The world has been hit hard by coronavirus, and health services and authorities everywhere are struggling to reduce the spread, combat the disease and protect the population. 

What do chocolate, migratory birds, flood control and pandas have in common? 

Scientists at Caltech and Occidental College have discovered a methane-fueled symbiosis between worms and bacteria at the bottom of the sea, shedding new light on the ecology of deep-sea environments.

Extreme rainfall has become increasingly common in metropolitan São Paulo, Brazil. 

NASA-NOAA’s Suomi NPP satellite passed over the Southern Pacific Ocean and provided forecasters with a visible image of newly formed Tropical Cyclone Harold. 

Surgical masks may help prevent infected people from making others sick with seasonal viruses, including coronaviruses, according to new research that could help settle a fierce debate spanning clinical and cultural norms.

Nuclear bomb tests during the Cold War in the 1950s and 1960s have helped scientists accurately estimate the age of whale sharks, the biggest fish in the seas, according to a Rutgers-led study.

Switzerland’s Federal Council has decided that the country should become carbon-​neutral by 2050.

Biofuels are an important part of the broader strategy to replace petroleum-based gasoline, diesel, and jet fuels that we use today.