Abstract: Calibration is crucial for ensuring the performance of phased array since amplitude-phase imbalance between elements results in significant performance degradation. While amplitude-only ...

The BlueWalker 3 satellite was fully deployed, making it the "largest-ever commercial communications array in low Earth orbit," at 693 square feet, according to AST SpaceMobile. Credit: AST ...

Student groups reported protests at universities in Iran’s two largest cities as the government grapples with domestic discontent and the threat of U.S. strikes. By Erika Solomon Sanam Mahoozi and ...

A new study hints that Saturn's largest moon, Titan, was created around 400 million years ago, when two massive moons smashed into each other. This hypothesis could also help to solve several other ...

WASHINGTON — The United States will send the world's largest aircraft carrier to the Middle East to back up another already there, a person familiar with the plans said Friday, putting more American ...

The largest satellite of its kind has transformed into its final shape in Earth orbit, unfurling its massive wings as part of a Texas startup’s efforts to deliver space-based cellular broadband ...

This is read by an automated voice. Please report any issues or inconsistencies here. Defense wins championships and Super Bowl LX showed it can get ratings too. NBC’s Sunday telecast of the Seattle ...

With the game tied and less than a minute to go Saturday night in the Dean Smith Center, Duke forward Cameron Boozer knocked the ball loose from a driving Seth Trimble. Boozer didn't take advantage, ...

As Donald Trump delivered rambling remarks touting his new world order at the World Economic Forum in Davos, yet another European country announced that it had sold off billions of dollars of U.S.

The New York City nurses strike is now in its second day. Nurses say health care benefits and workplace safety are their main reasons for striking, and they are refusing to go back to work until their ...

China has overtaken Russia to become the world’s second-largest operator of nuclear-powered submarines. Updated force assessments indicate that China now operates an estimated 32 active nuclear ...

SUNRISE, Fla.--(BUSINESS WIRE)--Interim HealthCare Inc., the nation’s leading network of home health care and staffing services that span the care continuum, has acquired its second-largest franchisee ...