The Moon has inspired myths, guided sailors, and lit up our nights for thousands of years. But during one of the most intense ...

EXCLUSIVE: Iran could still build a nuclear weapon "within six months," an expert warned, though the exact details of its ...

Space-based nuclear weapons are a serious matter, and one that deserves the very highest level of national attention.

When a nuclear accident happens, it’s vital that scientists have accurate fallout models.

Confusion on whether Iran truly needed only “two weeks to four weeks” to make a nuclear weapon, as President Donald Trump suggested on Monday, hangs over the ongoing U.S. and Israeli war on the ...

Prime Minister Benjamin Netanyahu said on Monday that Israel's military campaign against Iran had prevented Tehran from acquiring nuclear weapons in the near term and averted an existential threat to ...

The USA and Iran will hold talks on Iran's nuclear program in Oman on Saturday. US President Donald Trump has urged Tehran to negotiate - and is threatening military action if it fails to do so.

The fate of Iran’s enriched uranium stays unresolved, pushed into a sixty day negotiation that can be extended by mutual ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A nuclear bomb map created using a simulation tool shows the ...

During the Vietnam war, an accident on the USS Ticonderoga led to a B43 thermonuclear weapon disappearing beneath the waves ...