Human history is often shown as a neat March of Progress from one species to the next. Find out how DNA testing proves it's much more complicated than that. (4:00 min read time)
Exoplanet water has been found on most planets studied but not in the quantities scientists expected. Find out what this means for the search for life in space. (4:30 min read)
Find out about the "the most eminent woman astronomer of all time" and why you've never heard of her.