Yale University astronomers have identified the first “changing look” quasar, a gleaming object in deep space that appears to have its own dimmer switch.
This artist's rending shows “before” and “after” images of a changing look quasar.
The discovery may...
Earth’s earliest primates have taken a step up in the world, now that researchers have gotten a good look at their ankles.A new study has found that Purgatorius, a small mammal that lived on a diet of fruit and insects, was a tree dweller. Paleontologists...
A new study finds that children who received expanded Medicaid benefits in the 1980s and 1990s contributed more to the U.S. tax system as adults. They also were more likely to attend college and less likely to die prematurely in adulthood.The study is...