In looking over the shortlist for the Astronomy Photographer of the Year 2025 competition, I thought about how I’ve seen tho ...

Carl Zimmer writes about the results of a new genetic study of humans and the diseases that afflicted us over the past 37,000 year ...

Imagine if a species grew up on a planet that had a black hole moon the mass of the moon. They’d have tides, they’d have an unobstructed view of the night sky, and they’d have no clue about this ...