Proposals offering alternatives to Einstein’s relativistic theory of gravitation are almost as old as the theory itself. Einstein even saw them as the beginning of a path that could lead to quantum ...

The loudest collision ever recorded between two black holes has allowed scientists to test Einstein’s theory of general relativity in unprecedented detail, showing that the physicist’s predictions ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Every few months, you likely notice something: people on Instagram calling for a ...

For those who watch gravitational waves roll in from the universe, GW250114 is a big one. It's the clearest gravitational wave signal from a binary black hole merger to date, and it gives researchers ...

Florian Neukart does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

FORT RUCKER, Ala. – Retirement ceremonies were a steady backdrop in the early years of my career. As a young federal employee, I have attended more than I can count — each one following a familiar ...

There’s an adage coined by [Ian Betteridge] that any headline ending in a question mark can be answered by the word “No”. However, Lorentz invariance – the theory that the same rules of physics apply ...

American automakers who got overenthusiastic about electric vehicles continue to pay the price—literally. Yesterday, General Motors told investors that building and selling fewer EVs will cost the ...

Managing risk as we reach for the stars. I was not at the launch site with my former NASA colleagues on January 28, 1986, when the space shuttle Challenger exploded 73 seconds after takeoff. Less than ...

New Year’s Eve is nearly here, and there are plenty of places around Tacoma to celebrate. Whether you’re looking to ring in 2026 with a special dinner or a dance party, we’ve got you covered. The ...

110 years ago today, Albert Einstein published his General Theory of Relativity, which redefined the relationship between matter and gravity. Suddenly, our mysterious universe made a little more sense ...

The earliest test of Albert Einstein’s general theory of relativity took place just four years after he published it. During the May 29, 1919, total solar eclipse, British astronomer Sir Arthur ...