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 ...

General relativity helps explain the lack of planets around tight binary stars by driving orbital resonances that eject or destroy close-in worlds. This process naturally creates a “desert” of ...

The sharpest black hole collision ever detected just gave Einstein another win—and raised hopes that the next one might ...

This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...

Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along ...

Relativity Space has completed a critical design review of its Terran R rocket as it works towards a first launch as soon as late 2026. Credit: Relativity Space WASHINGTON — Relativity Space, a launch ...

Content Partners Capital, the newly launched private capital division of Content Partners, and Relativity Media have closed a strategic growth financing, a move they say marks a major step in CPC’s ...

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Former Google Chief Executive Eric Schmidt is the new chief executive of Long Beach based Relativity, which aims to compete with other rocket companies. Leader: New Relativity CEO Eric Schmidt. (Photo ...

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Former Google CEO Eric Schmidt is taking over as the CEO of Relativity Space, a 9-year-old rocket startup, a company spokesperson confirmed in a statement to TechCrunch. This is Schmidt’s first CEO ...

The former Google chief executive is taking a controlling interest in Relativity Space, which aims to build low-cost, reusable rockets to compete against Elon Musk’s SpaceX and to reach Mars. Eric ...