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, ...

The loudest black hole collision ever recorded has just given Einstein’s theory of general relativity its hardest test so far. The event, dubbed GW250114, produced a record-smashing signal-to-noise ...

New Analysis of Gravitational-Wave "Dark Sirens" Reveals Tension with General RelativityHONOLULU, Feb. 13, 2026 / PRZen ...

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

Relativity Space is amping up its investment at NASA’s Stennis Space Center, with the company announcing today that it would lease a historic first-stage test stand to advance the development of the ...

Relativity will expand its presence at NASA's Stennis Space Center with additional test stands and offices to support work on its Aeon R engine. Credit: Relativity Space WASHINGTON — Launch vehicle ...

LIGO's GW250114 signal tests Einstein's relativity, revealing black hole properties and confirming key theorems in gravitational wave research.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. General relativity has withstood perhaps its toughest challenge to date. The theory, which Albert ...

Rocket manufacturing is an incredibly labor-intensive process with a complex supply chain, sourcing parts from all over the world. But if the California-based startup Relativity Space can prove that ...

BAY ST. LOUIS, Miss.--(BUSINESS WIRE)--Relativity Space, the preeminent 3D printed rocket company, has signed an enhanced use lease agreement (EULA) on the vertical test stand at the A-2 complex ...