A niche corner of the commercial space sector is attracting attention from United States national security planners, not because of its economic promise, but because of the technical problems it is ...

Deep inside Earth, two massive hot rock structures have been quietly shaping the planet’s magnetic field for millions of ...

"There is a growing chasm between theory and observation related to the early universe, which presents compelling questions ...

Hidden mega-structures deep inside Earth may have been quietly steering our planet’s magnetic field—and rewriting what we thought we knew about Earth’s past.

A newly detected gravitational wave, GW250114, is giving scientists their clearest look yet at a black hole collision—and a powerful way to test Einstein’s theory of gravity. Its clarity allowed ...

Last week’s movie conversation was all about a certain very high-priced vanity documentary with a ginormous promotional ...

NASA spent roughly a billion dollars to send a car‑sized robot into the Sun’s atmosphere, and to get there it had to ...

President Donald Trump says he will announce his pick for the next chair of the Federal Reserve next week, setting the stage ...

NASA is racing to contact a lost probe that mysteriously lost contact over Mars in early December. The $582.5 million Maven ...

Rep. Ilhan Omar (Minnesota) has said that the Trump administration is grasping at straws after President Donald Trump ...

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

Over 10,000 illegal immigrants, including murderers, kidnappers and sexual predators, have been arrested in Los Angeles since June despite anti-ICE riots and pushback from sanctuary politicians, the ...