If you understand how things work,” she says, “you can do things with that knowledge.” But she’s in this to solve an ...

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

One issue is that when scientists calculate what the Hubble constant should be, it doesn’t quite match observations of the ...

From a mountaintop in Arizona, an army of robotic eyes has spent the last five years staring into the universe’s deep past.

Seen from our blue marble as it spins among the hundreds of millions of star systems in the Milky Way, the universe around us ...

The fundamental constants of nature seem perfectly tuned to allow life to exist. If they were even a little bit different, we simply wouldn't be here. Given this grave existential fact, we are forced ...

Interest in the multiverse theory, suggesting that our universe is just one of many, spiked following the release of the movie "Everything Everywhere All At Once." The film follows Evelyn Wang on her ...

Astrophysicists have presumed for nearly a century that the universe will just keep expanding for all eternity, driven by an invisible force called dark energy. But new data suggest that this is ...

Scientists studying a mysterious effect called cosmic birefringence—a subtle twist in the polarization of the universe’s oldest light—have developed a new way to reduce uncertainty in how it’s ...

The particles that are in an atom: protons, neutrons and electrons The particles that are in protons and neutrons: quarks The four fundamental forces: gravity, electromagnetism, the strong force and ...

Think of the Strings as the General Relativity of Einstein, the Electromagnetic Equations of Maxwell, and the Quantum ...

Astronomy is, in essence, an exercise in inference. We cannot touch the stars, nor scoop up galaxies in a lab. Instead, we decipher the universe through its light — its color, intensity, rhythm and ...