Could the Universe have been born inside a black hole? This question, raised by a team of scientists, challenges the Big Bang ...

Some physicists think our reality is a kind of cosmic hologram, with space, time, and gravity as manifestations of a ...

A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have formed ...

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

How astronomers used gravitational lensing, a space-time trick predicted by Einstein, to detect a black hole measuring 30 billion times the mass of the sun.

The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the ...

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

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

Black holes, once purely theoretical, are now observable phenomena, offering insights into the universe. Their intense ...

The universe is a happening place—full of exploding stars, erupting black holes, zipping asteroids, and much more. The Rubin Observatory released its first images last week, and they’re stunning—vast, ...

Priyamvada Natarajan has spent decades exploring some of the universe’s most persistent mysteries, particularly the unseen ...

Astronomers detect 10 billion-year-old radio waves from a distant galaxy cluster SpARCS1049, revealing a mini-halo that ...