Discover seven unusual galaxies defying scientific predictions, from impossibly bright early universe objects to astrophysics ...

Two ways of measuring how fast the universe is expanding disagree, a puzzle known as the Hubble tension. Tiny magnetic fields ...

Dark energy is still one of the greatest cosmic mysteries. For all the time, money and telescopes that humanity has used to uncover its nature, scientists are still asking a fundamental question: What ...

A mysterious glow at the center of our galaxy has astronomers scratching their heads. The phenomenon, recently analyzed in greater detail, has intensified the debate over whether this glow originates ...

Scientists have used ultracold atoms to successfully demonstrate a groundbreaking method of particle acceleration that could unlock new understanding of how cosmic rays behave, a new study reveals.

Artificial intelligence has uncovered 1,400 strange cosmic objects hidden inside Hubble’s massive image archive. The ...

Add Yahoo as a preferred source to see more of our stories on Google. Although dark matter is invisible, its various effects can still sometimes be seen—such as in this Hubble Space Telescope image of ...

JWST has revealed a strange early universe filled with ultra-bright “blue monster” galaxies, mysterious “little red dots,” ...

Astronomers are preparing for a rare cosmic event on January 22, when interstellar object 3I/ATLAS will align closely with Earth and the Sun, passing within just 0.69 degrees of the Sun-Earth axis.

Rochester’s Strasenburgh Planetarium joined global watch parties for the first images from the Vera C. Rubin Observatory. As WXXI’s Veronica Volk reports, the powerful telescope could help unlock ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their results match “local” measurements but clash with early-universe estimates, ...

The public can get ready to blast off into a night of cosmic curiosity at Lake Metroparks’ “Super Star Party: Cosmic Mysteries.” Happening from 7 to 11 p.m. Aug. 9 at Penitentiary Glen Reservation, ...