A black hole 30 million times the mass of the sun has produced winds one-fifth the speed of light, stunning scientists.

Black holes are notoriously difficult to spot unless they are active, and one type of activity is the destruction of a star, ...

Learn how to determine the mass-to-charge ratio (m/z) in a mass spectrometer! This guide walks you through the physics behind the process, from ion acceleration to detection, with practical insights ...

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from ...

Current physics is speeding toward a breaking point, as astronomers confirm that the Hubble tension in new data.

Four UC Nobel laureates on what they discovered here, why it matters, and why their world-changing work could only have ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

In the end, the Universe becomes a place where gravity and quantum physics slowly turn all mass into faint streams of particles.

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

Confusing Momentum with Kinetic Energy: While both are related to motion, momentum is a vector, and kinetic energy is a ...