Mysterious Milky Way filaments - found by the MeerKAT telescope in South Africa - appear to point to the supermassive black hole at our galaxy's heart.
Scientists have identified a footprint in South Africa as the oldest human footprint currently known. A member of Homo sapiens created it 153,000 years ago.
Wildfire smoke can affect human health even from far away, taxing lungs and exacerbating existing health problems. Learn about how to reduce your risk.
AI is helping astronomers process the staggering amounts of data they receive from observatories. It's even making new discoveries based on theoretical objects.
A recent study on Antarctica’s Blood Falls reveals the origins of its unique, bright red discharge. This might help in the search for life in our solar system.
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.