From the Big Bang to the Big Crunch, new research is challenging our most basic assumptions about the cosmos. Emerging theories explore bounces, black hole origins, and dark energy’s shifting role in ...

The most precise measurement yet shows the Universe is expanding faster than expected, deepening the Hubble tension. The ...

Tens of kilometers above Earth's surface, high-energy particles from outer space constantly strike the atmosphere, creating ...

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The cosmological constant is the mathematical description of the energy that drives the ever-accelerating expansion of the ...

Discover the 25 unsolved mysteries that still haunt scientists. From dark matter to the arrow of time, explore the universe's ...

Dark matter could be even weirder than we thought, as a scientist claims the elusive substance could be made of black holes ...

New research suggests that relic black holes from before the big bang may still shape galaxies today. These black holes could ...

New research suggests that relic black holes from before the big bang may still shape galaxies today. These black holes could ...

Having to pay that much more for things we all need to buy is a big deal. This jump has wiped away almost all of the wage ...

The Fed decided to hold interest rates steady at its March meeting as the U.S. conflict with Iran drives oil prices higher and clouds economic forecasts. WSJ’s Nick Timiraos explains. The cease-fire ...

Fed held rates at 3.50–3.75%, cutting expected 2026 reductions from four down to one. Oil surging to $115 per barrel during the Iran conflict pushed short-term inflation further from the 2% target. A ...