“Even if we don’t know what dark matter is, we know how it must act,” said Eduardo Abancens, a physicist at Spain’s University of Zaragoza...

Several thousand years ago the evolution of social organizations in the form of cities brought a new dynamic to the planet that seems to be uniquely human: People...

The battle against AIDS is one of the holy grails of biomedical research, second only to curing cancer and undoing aging itself.  Now some scientists have reactivated...

Deep inside Centaurus A, the closest active galaxy to Earth, about 1,000 light-years across,is the twisted cosmic dust cloud shaped like a parallelogram -likely...

Megafauna Extinctions Not Entirely Humans’ Fault Studies that have mostly blamed the arrival of humans for die-offs among Australia’s large mammals 50,000 years ago missed the...