Tens of thousands of protesters flooded the streets of major US cities on Saturday to oppose the divisive policies of President Donald Trump, in the largest demonstrations since his return to the ...

A revolution is underway in gene editing -- and at its forefront is David Liu, an American molecular biologist whose pioneering work is rewriting the building blocks of life with unprecedented ...

An American neurologist and an Italian epidemiologist whose work revolutionized the treatment of multiple sclerosis on Saturday won a prestigious Breakthrough Prize, the award nicknamed the "Oscars of ...