The IceCube neutrino detector has allowed researchers to resolve a debate about what types of particles make up ...

New research has revealed everything astronomers currently know about the mysterious interstellar object 3I/ATLAS.

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than ...

Researchers have found clouds of cold gas embedded deep within larger, superheated gas clouds – or Fermi bubbles – at the Milky Way’s center. The ...

A top a mountain in Chile, where the days are dry and nights are clear, a team of scientists and engineers is preparing for ...

Dr. Caitlin Casey, an observational astronomer, has recently joined the physics department at UC Santa Barbara. She co-leads the C.O.S.M.O.S. collaboration — a project distinguished by its deep ...

This week, astronomers spotted the third known interstellar visitor to our Solar System. First detected by the Asteroid ...

With its unprecedented power to detect and analyze otherwise invisible infrared light, Webb is making observations that were ...

Astronomers have added two more exoplanets to a growing study aimed at finding out whether rocky worlds near small, faint stars might have air.Scientists leading a high-priority observing program with ...

Before NASA's Hubble Space Telescope captured its iconic Hubble Deep Field, some astronomers were hesitant to take the ambitious imagery. But the director of Hubble's science mission took the risk.

Recent measurements from JWST have confirmed the validity of the “Hubble tension.” The Hubble tension stems from the fact that measuring the Hubble constant—the rate of the universe’s ...