A record-breaking gravitational wave signal let scientists "listen" to a distant black hole merger and put Einstein's gravity ...

Scientists hope to probe the nature of general relativity through a possible pulsar found in the center of the Milky Way, ...

Quasicrystals are orderly structures that never repeat. Scientists just showed they can exist in space and time.

Scientists scanning the heart of the Milky Way have spotted a tantalizing signal: a possible ultra-fast pulsar spinning every 8.19 milliseconds near Sagittarius A*, the supermassive black hole at our ...

Researchers believe they have found the signal of a pulsar, the ancient core of a rapidly spinning star, at the center of the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Two cutting-edge atomic clocks — the most accurate ever ...

Relativity Space, the first company to utilize additive manufacturing and robotics to build an entire launch vehicle, today announced that it has secured a new headquarters in Long Beach, California.

Intelsat signed an agreement for multiple launches of Relativity Space's Terran R rocket starting as soon as 2026. Credit: Relativity Space WASHINGTON — Satellite operator Intelsat has signed an ...

Two blind spots torture physicists: the birth of the universe and the center of a black hole. The former may feel like a moment in time and the latter a point in space, but in both cases the normally ...