Telescope observations reveal atmospheric water on exoplanets.
Bacterial infusions can heal gut microbe imbalances.
Is our family tree due for a pruning?
As the climate warms, the Arctic greens—and vice versa.
Earlier Arctic plant growth is too early for migrating caribou.
Constant vigilance rewards hobbyist astronomers.
Stem cell mini-brains reveal how brain regions organize.
Dung beetles reduce harmful methane emissions in cow feces.
Rare star at our galaxy’s heart shares a black hole’s secrets.
Geologists study earthquake risk in a crowded country.