It's getting harder for wild animals to find human-free spaces on Earth. New research suggests that human disturbance is creating a more nocturnal natural world.
Kilauea volcano's Fissure 8 has produced a large, channelized lava flow that's acted like a river, eating through the landscape, finally producing clouds of steamy, hazardous "laze" as hot lava meets the cold ocean.
Since the 1970s, scientists have treated pulsars and magnetars as 2 distinct populations of objects. Now they think they might be stages in a single object's evolution. A new NASA ScienceCast has more.
New Horizons is boldly exploring where no spacecraft has before. It's the craft that swept past Pluto in 2015. Now it's preparing for its next encounter on January 1, 2019.
"What a dull name for the most accurate scientific theory known to human beings ... As a theoretical physicist, I’d prefer 'The Absolutely Amazing Theory of Almost Everything'."
Members of the EarthSky community - including scientists, as well as science and nature writers from across the globe - weigh in on what's important to them.