Instead, high-energy radiation and electromagnetic pulses dominate, posing serious risks to satellites, spacecraft, and ...

Astronomers pictured novae—the violent explosions that occur on the surface of white dwarf stars—as simple, spherical ...

Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

As the cloud cleared, Air Force bombers dropped in to gather air samples. Researchers hoped that the radioactive fallout ...

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one.

Expert prepper shares five critical survival steps for nuclear attacks, from drop-and-cover techniques to decontamination ...

President Donald Trump has called for the United States to test its nuclear weapons for the first time in three decades. But Trump’s statements about testing — in particular, whether other nations are ...