For several decades, evidence has suggested that the expansion of the universe is accelerating. Crucial to those estimates were the use of standard candles, celestial events of the same luminosity ...

A remarkable new study challenges the findings of Nobel Prize winning research into how our universe has changed over time.

Astronomers have chased the first stars for decades, squinting at the early universe for any hint of their brief, brilliant ...

The Hubble Space Telescope has imaged a "200,000 light-year-long trail of newborn stars" that may have been left behind by a ...

NASA is under growing pressure to release long-awaited images of the rare interstellar Comet 3I/ATLAS, only the third known ...

Stargazers using telescopes should be able to see the object in the predawn sky beginning Nov. 11, according to EarthSky.

The Hubble Space Telescope was originally expected to last about 15 years in orbit, before its optical surfaces became too ...

Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...

Hubble’s updated view of NGC 3370, richer in light and detail than ever before, deepens our understanding of both the galaxy and the cosmos itself. This new Hubble Picture of the Week highlights a ...

A groundbreaking new instrument that lets astronomers see deeper into space than ever before using a single telescope was brought to life with help from a University of Hawaiʻi at Mānoa faculty member ...

SALT LAKE CITY — With October's Harvest Moon having passed us by, and November's Beaver Moon still a couple of weeks away, two new comets are peaking through the evening sky, giving stargazers ...

NASA's Hubble Space Telescope explores the evolution of spiral galaxy UGC 10043 through images taken 23 years apart, in 2000 ...