A constellation of cubesats fitted with special detectors could sniff out nuclear weapons hidden on satellites launched by ...

There is a long-standing international treaty in place but we can't be the only ones side-eyeing world's current crop of ...

The Van Allen radiation belts are swarms of high-energy charged particles trapped in the web of Earth's magnetic field, many ...

Scientists have proposed a satellite that could detect hidden nuclear weapons in space by sensing neutrons naturally emitted ...

The Outer Space Treaty bans nuclear weapons in orbit—but we currently have no way to verify that satellites aren't carrying ...

Add Yahoo as a preferred source to see more of our stories on Google. Gen. Stephen Whiting, the commander of U.S. Space Command, recently made waves when he publicly discussed a major threat that ...

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 ...

When Iran’s covert nuclear program came to international attention over two decades ago, Tehran insisted that its intentions were peaceful and that it had no plans to develop weapons. The country’s ...

On August 6, 1945, the US bomber Enola Gay dropped the first atomic bomb ever used in military combat on the Japanese city of ...

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