The new paper argues that, in SN 1181, the first phase of the supernova fizzled out and left behind an unusually active ...

The Treaty on the Prohibition of Nuclear Weapons bans nuclear arms and mandates their destruction, but none of the nine ...

China is rapidly overhauling a network of secret facilities used to manufacture warhead components as it expands its nuclear stockpile faster than any other country, according to an analysis of ...

Here’s a look at Iran’s nuclear capabilities. Since 2003, worldwide concern over Iran’s nuclear program has increased as Iran and the International Atomic Energy Agency (IAEA) spar over investigation ...

A new tool shows the catastrophic impact of a nuclear strike as Russia deploys its “unstoppable” Oreshnik missile, putting ...

The man accused of placing pipe bombs outside the DNC and RNC headquarters on the night before the Jan. 6, 2021, attack on ...

New high-resolution images show that novae are anything but simple stellar fireworks. One exploded with multiple gas streams ...

Astronomers have obtained remarkably detailed images of two stellar explosions -- called novae -- just days after they began.

Discover why Apple and Sony executives pushed for a more "explosive" ending to the Pluribus season finale and how it changed ...

Instead, the pseudo-recession of 1992 dominated the campaign. Indeed, Bush's many achievements overseas were cleverly ...

The race for leadership in military, intelligence and commercial AI—and for global adoption of US or Chinese models—will only ...

Donald Trump must learn from the past and fixate on the economy in 2026 to end-run a devious Democratic strategy.