Detailed imaging of a 250-million-year-old fossil has revealed the first proof that the ancestors of mammals laid eggs. The ...
Some researchers hold that evolution hasn’t much altered humans in the past 10,000 years. A new analysis of ancient DNA ...
Thirty years ago, astronomer Tony Tyson had the vision to suggest this intriguing path, and the persistence to build ...
The Dark Energy Spectroscopic Instrument (DESI) has finished the most detailed survey of the universe to date, and the ...
The work demonstrates the power of ancient DNA to illuminate human biology and medicine in addition to history. A massive ...