Interstellar comet 3I/ATLAS is now visible in the UK night sky! The third confirmed alien visitor, whose chemical fingerprint ...

The University of Arizona’s Flandrau Science Center and Planetarium turns 50 Saturday, December 13, offering free admission ...

NASA's James Webb Space Telescope (JWST) has identified the earliest supernova on record, according to a statement released ...

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from the early cosmos.

Scientists have confirmed that colossal collisions between galaxies trigger titanic eruptions in the centers of those ...

Supernovae aren't one of the JWST's main science themes, but the perceptive telescope is full of surprises. Recently, it ...

Six-figure earners are ‘living the illusion of affluence’ while working side hustles, skipping meals, and pretending Venmo’s ...

Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

Astronomers from the University of Geneva (UNIGE), the National Centre of Competence in Research PlanetS, and the Trottier Institute for Research on Exoplanets (IREx) at the University of Montreal ...

A building-sized asteroid had a 1-in-32 chance of hitting Earth at its peak, but astronomers soon found there was zero chance ...

The tenth day of the 18th annual Space Telescope Advent Calendar features an enormous cloud of gas and dust, illuminated by a ...

The debate over the interstellar object 3I/ATLAS escalated sharply this week as a scientist publicly accused amateur ...