There are many home-grown problems on Earth, but there's still time to worry about bad things arriving from above. The most recent is the asteroid 2024 YR4, which could be a "city killer" if it hits a ...

During a partial lunar eclipse, Earth’s shadow appears to take a bite of the moon. The full moon is covered during a total ...

CAPE CANAVERAL, Fla. (AP) — The U.S. military’s classified mini space shuttle returned to Earth on Friday after circling the ...

The U.S. military’s classified mini space shuttle returned to Earth on Friday after circling the world for 434 days.

Jam packed issues filled with the latest cutting-edge research, technology and theories delivered in an entertaining and ...

US military’s classified space shuttle returns to Earth after secret mission - The classified X-37B vehicle has returned to ...

Its predawn touchdown at Vandenberg Space Force Base in California was not announced until hours after the fact. Photos ...

The U.S. military's classified mini space shuttle returned to Earth on Thursday after circling the world for 434 days, ...

The U.S. military's classified mini space shuttle has returned to Earth after circling the world for 434 days.

WASHINGTON (AP) — As his White House meeting with his Ukrainian counterpart devolved into a stunning blowup, President Donald Trump leaned on a familiar refrain to explain his unique kinship with ...