Gravitational waves stretch and squeeze the fabric of space and time itself. When space/time is squeezed, pulsar pulses ...

The New York Times asked Hollywood professionals to name the best movies of the 21st Century so far, and some great sci-fi ...

What looked like a small hole in the ground turned out to be a jaw-dropping 220-foot vertical drop into the Earth. With ropes ...

"We would need to consider the possibility that the source was created (or trapped as a primordial black hole) by a highly advanced technological civilization," Harvard's Avi Loeb writes.

"This work is a step toward understanding how quantum mechanics and gravity work together, a major unsolved problem in ...

Scientists have traced a 60-million-year volcanic trail from Iceland to Ireland to a deep mantle plume that shaped the North ...

Compact ruddy galaxies seen by the James Webb telescope confound astronomers. Having very little spin at birth may explain the galaxies’ small sizes.

A new generation of black hole research is unfolding thanks to artificial intelligence, massive simulations, and cutting-edge ...

A high-speed crash between two dwarf galaxies might explain a unique feature in space – and provide useful information on ...

New evidence suggests the universe might not behave as expected, raising questions about the costs of being wrong.

Caltech simulations reveal what happens when black holes collide with neutron stars—violent cracking, intense shock waves, ...

Everything in space—from Earth and the sun to black holes—accounts for just 15% of all matter in the universe. The rest of ...