"We have the privilege of having discovered perhaps the largest comet ever seen." It has not visited the solar system in more than 3 million years. People here on Earth will likely need to rely on ...

Astronomers have detected the largest comet ever recorded in the solar system — Bernardinelli-Bernstein, a colossal 100-kilometer-wide space giant, currently traveling toward the sun from the distant ...

NASA's Hubble Space Telescope has confirmed the largest icy comet nucleus ever seen by scientists. The nucleus of comet C/2014 UN271 (Bernardinelli-Bernstein) is about 80 miles in diameter ...

New observations by Hubble of the largest comet ever found are confirming its status as a titan of icy space objects. Comet C/2014 UN271 measures about 74 miles across, according to updated data ...

Depending on how much gas the comet releases as its ices vaporize in the sun’s glare, Bernardinelli-Bernstein could get as bright in the night sky as Saturn’s largest moon Titan. If so ...

A brilliant comet waved its tail above the site of the world's largest telescope as it lit up the night sky last month. Comet C/2024 G3 (ATLAS) soared through the starry skies above the European ...