Scientists discover a third fungus that is widespread in lichens, but it’s not clear yet whether it’s a partner in the algal-fungal symbiosis or a bystander.

Threats to the plants include climate change and habitat loss.

Images from the country’s Chang’e-4 lunar lander show the first sprouting plants.

The lay of the land shapes the diversity of groundwater-dependent salamanders.

The wild population of the species was declared extinct almost 40 years ago, but now researchers have found their genes in a pack of canines near the Gulf coast.

The chief scientist at the NSF initiative quits after two leaders were let go without her input.

Researchers collected trash that washed up at Gulf Coast shoreline sites over two years. Most of it was plastic.

Watch scenes from the Maumee River in Ohio, where researchers are stocking an ancient fish species that is struggling against extinction.

The sturgeon restoration study’s outcome won’t be known for decades.