The largest piece of Mars ever found on Earth was sold for just over $5 million at an auction of rare geological and ...

WASHINGTON (AP) — President Donald Trump’s request to cancel about $9 billion in foreign aid and public broadcasting spending ...

NEW YORK (AP) — President Donald Trump is lashing out at his own supporters, accusing them of being duped by Democrats, as he tries to clamp down on criticism over his administration’s handling of ...

The United States is chasing a new age of nuclear power that banks on domestic production of reactor fuel like X-energy is ...

Some proponents worry they could lose credibility if they are rushed onto the market or are too closely tied to Kennedy.