After a century of observations spanning the breadth of the cosmos and theoretical insights that push humanity's vision of ...

If there is an absolute law in the universe, it’s that nothing can travel faster than the speed of light. Space is big, and ...

In a groundbreaking studypublished in the Monthly Notices of the Royal Astronomical Society, astronomers have uncovered a puzzling cosmic observation that challenges our understanding of the ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

Scientists using a global array of radio telescopes have detected the universe’s lowest-mass dark object by observing how it ...

A neutrino sensor array, ARCA, lines the Mediterranean seafloor near Sicily. A physicist took ARCA’s first huge win to a warm audience at the Neutrino 2024 conference. The highly energetic neutrino ...

Most cosmologists believe that these stars were the first large, free-floating structures to illuminate our universe, and that black holes appeared later. But some have proposed that it went the other ...

Astronomers have discovered the oldest and most distant black hole — a behemoth that likely formed at the dawn of the universe, more than 13 billion years ago. The black hole lies at the center of a ...