How did the universe come into being? There are a multitude of theories on this subject. In a Physical Review Letters paper, ...

So much happened in the earliest moments of the universe. Elementary particles appeared, the first nuclei of hydrogen and ...

In a paper published in The Astrophysical Journal Letters, the international LIGO-Virgo-KAGRA Collaboration reports on the ...

Such an exponential expansion may seem minor, but it is equivalent to a grape in the palm of your hand swelling to become ...

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 ...

Theorists have found that a “warm” version of cosmic inflation is consistent with known physics, linking it to the hunt for ...

Scientists from around the world are at Brown to discuss what is known, and what needs to be learned, about the long-sought particle discovered a decade ago.

Physicists have analyzed two enormous black hole mergers that happened one month apart and have come up with tantalizing ...

Harvard Physics professor John Huth was awarded the 2025 Lifetime Achievement Award by ATLAS, a group of American particle ...

Two leading scientists discuss the future of their field. Credit...Ariel Davis Supported by By Dennis Overbye The future belongs to those who prepare for it, as scientists who petition federal ...

Physicists have detected “ghost particles” in the Large Hadron Collider for the first time. An experiment called FASER picked up signals of neutrinos being produced in particle collisions, which can ...