Just yesterday (Dec. 15), the Green River levee was breached, raising the specter of flash flooding in Tukwila, south of ...

That not only makes this the first confirmed runaway supermassive black hole, but this object is also one of the ...

When two black holes merge or two neutron stars collide, gravitational waves can be generated. They spread at the speed of ...

Isaac Newton lounging beneath an apple tree, suddenly getting bonked on the head by falling fruit, and boom—gravity is discovered. It's the story repeated in classrooms, cartoons, and cocktail parties ...

It’s possible to defy gravity using sound waves, magnets or electricity, but today’s methods can’t hoist heavy items high in ...

A new theory proposes that the universe’s fundamental forces and particle properties may arise from the geometry of hidden ...

New models suggest Uranus and Neptune may hold far more rock than expected, raising questions about how these distant planets formed.

For close to a century, scientists have been trying to marry Albert Einstein’s General Theory of Relativity and quantum theory—our two best bets on understanding the universe on a macroscopic and ...

It’s fair to say Nintendo’s new Game-Key Cards for Switch 2 have sparked a passionate response. When Nintendo pulled back the curtain on Switch 2 last month, it confirmed that several new Switch 2 ...

Their mutual gravity is so strong that they've stretched and distorted, with the subdwarf's material flowing onto the white dwarf companion. Because the stars are pretty hefty and moving very quickly, ...