Stephen Hawking's black hole fame wasn't his only focus — he also laid out multiple existential threats. Here are five doomsday risks he talked about.

Republicans push to alter Senate filibuster rules to pass Trump's SAVE Act requiring citizenship proof for voting, despite significant procedural hurdles.

Vast has raised $500 million in new funding, which the California startup will put toward its goal of getting private space ...

Explore why the B-2 Spirit’s flat flying wing design embodies stealth, physics, and strategy, and how it set the stage for ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

The guy pouring my beer in Anchorage told me that he knew there was no truth to decades-old rumors about a research facility 200 miles to the northeast. Nobody was up there talking to aliens or ...

Launching a rocket into space is far more complex than most people imagine. Behind every launch is a massive industrial operation involving thousands of parts, hundreds of engineers, and weeks of ...

And all the defense stocks set to absorb this year’s $840 billion and potentially 2027’s $1.5 trillion can be found in the ...

The new Galacticoaster is the ride I’ve always wished Legoland California would build that appeals to all four quadrants of a young family — the smallest toddler eager for adventure, the tween ready ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.