The pure effects of both strain and quantum confinement on differential gain of InGaAsP/InP strained-layer quantum-well lasers (SL-QWL's) are studied on the basis of valence band structures calculated ...

The “world’s first pure ammonia-powered demonstration vessel” built in China completed its maiden voyage in the country’s Anhui province, state media reported on Saturday. "Anhui" is ...

There were 71,000 deportations in the first half of June alone, according to U.N. estimates. These Afghan refugees are returning to a country in the throes of a humanitarian crisis.

ST. LOUIS — Chicago Cubs left-hander Shota Imanaga pitched five scoreless innings against St. Louis on Thursday in his return from a strained left hamstring that had sidelined him since May 4. Imanaga ...

13-year-old Setayesh Khasheei and her family came to Canada more than three years ago after fleeing Afghanistan. Now she's using art to advocate for the women and girls in the country.