Two recently observed black hole mergers, occurring just weeks apart in late 2024, have opened an extraordinary new window ...

New strategies may soon allow scientists to test dark energy theories within our own solar system, linking cosmic-scale physics to local observation. Science advances through a cycle of proposing ...

The theoretical physicist and best-selling author finds inspiration in politics and philosophy for rethinking space and time.

Centuries before anyone pointed a telescope at the sky, Isaac Newton figured out how gravity works. He showed that any object ...

Gravitational wave detectors on Earth have heard the "cry" of two newborn black holes with some unusual and remarkable ...

Albert Einstein changed science forever with special and general relativity, redefining space, time, and gravity. Yet after ...

Anil Chaturvedi delves into the fascinating world of time travel, connecting it with Einstein’s groundbreaking theories of ...

As the collapsed core of a massive star, a neutron star is a small but incredibly dense object, packing up to three times the ...

A high-stakes contest for NASA’s next permanent Administrator is unfolding, pitting billionaire private astronaut ...

The first Terran R is under construction, with several components completed in recent weeks. One such component is the thrust ...

Researchers have unveiled a new model for the universe’s birth that replaces cosmic inflation with gravitational waves as the ...

The universe is truly magical: vast, mysterious, and endlessly fascinating. There’s something almost unreal about being able ...