In our news wrap Tuesday, Turkey moved troops into position for an offensive against Kurdish forces in northeastern Syria, after President Trump ordered U.S. troops out of the area. Also, Hong Kong's chief executive is warning that she might call…
A Canadian-American cosmologist and two Swiss scientists won this year's Nobel Prize in Physics.
By David Keyton, Associated Press
A trio of scientists won this year's Nobel prize, including Canada's Donna Strickland--the third female recipient in history and the first in 55 years. Amna Nawaz speaks with Strickland about her research in laser amplification, what she would tell young…
Strickland is the third woman ever to win a Nobel prize in physics, and the first in more than fifty years.
By Vicky Stein
Rainer Weiss, Barry C. Barish and Kip S. Thorne have won the 2017 Nobel Prize for physics for leading the projects that discovered gravitational waves and proved an century-old Einstein theory.
By PBS NewsHour
In our news wrap Tuesday, the path is now clear for the Paris climate change accord to take effect. It got backing from enough countries to account for 55 percent of global emissions. Also, there’s a new surge in the…
By Nsikan Akpan
The 2016 Nobel Prize in physics is shared by three scientists -- David Thouless, Duncan Haldane and Michael Kosterlitz -- for theoretical discoveries of topological phase transitions and topological phases of matter. Here's what that means.
By Justin Scuiletti
The Nobel Prize in Physics was awarded Tuesday to the inventors of the blue light-emitting diode, or LED, shining a light on the creation that solved the final puzzle piece to energy-efficient lighting.
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