The Nancy Grace Roman Space Telescope is being built to map the universe on a scale no previous observatory has attempted, ...

Amateur images of 3I/ATLAS show unusual structure that fuels debate, but scientists say spectral data still supports it being ...

A newly proposed type of supermassive black hole surrounded by a dense gas shell may account for the small red dots seen in ...

Constellation Perseus culminates high upon the north-south meridian around 10 p.m. Dec. 25, with its brightest star Alpha ...

A striking deep-space image of the Lion Nebula shows massive stars shaping glowing gas clouds. Captured over 35 hours, it ...

One of Canada’s most renowned astronomers and amateur astrophotographers has died, leaving behind a legacy of pioneering ...

The evocative scene captures the swirling gas of the nebula Sh2-132, known as the Lion Nebula, located around 10,000 ...

PUNCH’s observations of comet 3I/ATLAS from Sept. 28 to Oct. 10, 2025, when the comet was between 231 million to 235 million ...

As far as physical features, NASA says 3I/ATLAS has speed, color, and direction that are, “consistent with what we’d expect ...

ESA’s Euclid mapped 1.2 million galaxies in its first year, delivering sharp, deep images across vast cosmic distances.

Interstellar comet 3I/ATLAS got an accuracy boost thanks to a Mars orbiter, giving scientists insights and stronger planetary ...

Spanish astronomers have conducted deep optical imaging of an isolated dwarf galaxy known as NGC 6789. Results of the new ...