If you walk across the open yard in front of the Physics, Math and Astronomy building at the University of Texas at Austin, you’ll see a 17-story tower and a huge L-shaped building. What you won’t see ...

Editor's note: This story originally appeared on Laser Wars, a newsletter about military laser weapons and other futuristic defense technology. Subscribe here. The U.S. Army hasn't even officially ...

Add Yahoo as a preferred source to see more of our stories on Google. Dr. Thato Manamela from the University of Pretoria called the discovery “truly extraordinary,” explaining how gravitational ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Ahmed Helal, The University of Texas at Austin (THE CONVERSATION) If you walk across ...

Astronomers detect the most powerful space laser from colliding galaxies 8 billion light-years away, offering rare insights into the early universe and cosmic signals.