Donald Trump has said that European leaders are “weak” in an extraordinary attack on some of Washington ’s closest allies.

X-ray space telescopes caught a supermassive blackhole flinging matter into space at a fifth of the speed of light ...

Long the titan of prep schools in Los Angeles, with a reputation as an Ivy League feeder, Harvard-Westlake has seen the ...

As humanity prepares to take its first steps on Mars, a comprehensive report released by the National Academies of Sciences, ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

Science has narrowed down exactly which life decisions people consider the riskiest — and the top ones surprisingly don't ...

A Rutgers astrophysicist is helping to solve a cosmic puzzle that has astronomers scratching their heads. The mystery centers ...

When astronauts set foot on Mars, it will be one of humanity’s greatest milestones, marking the start of a new era of ...

A sudden X-ray flare from a supermassive black hole in galaxy NGC 3783 triggered ultra-fast winds racing outward at a fifth the speed of light—an event never witnessed before. Using XMM-Newton and ...

In an interview with POLITICO, the president offered no reassurance to America’s allies about Russia and vowed to reshape ...

A new report published Tuesday, titled “A Science Strategy for the Human Exploration of Mars,” represents the answer from ...