As air pollution rises over time across the planet, observable levels of antibiotic resistance do too.
Despite marked progress in several countries, tigers remain under grave threat throughout their remaining ranges.
Although the idea of a solar shield is not new, tethering it to an asteroid is.
New findings refute the perception that reef-building corals with thermally tolerant algal symbionts grow poorly.
Antenna contamination significantly reduced the strength of odour-related electrical signals sent to flies' brains.
Some of these lakes you think of as clear, beautiful vacation spots, but they are already polluted.