NASA's Hubble Space Telescope caught a glimpse of 3I/ATLAS – again. For months, 3I/ATLAS has attracted plenty of attention – and become the source of bizarre alien spaceship conspiracies – as it ...

The space-based telescopes Hubble and Euclid combined forces to capture the vibrant remains of a dying star in stunning new ...

Hubble's "near-sightedness" and the corrective lens that fixed it are a fairly well-known part of the observatory's history, but the problem wasn't immediately known to the general public, because the ...

Drawing together leading experts from across the field, an international collaboration of cosmologists has created a unified approach for measuring the value of the Hubble constant. Published in ...

Most telescopes are built to chase starlight, yet one of Hubble’s most instructive targets contains no stars at all. The object nicknamed Cloud-9 is a compact, gas-filled cloud whose structure appears ...

Thirty years ago this month, the orbiting Hubble Space Telescope was trained on a tiny — 1/12th theapparent width of the Moon — seemingly empty patch of sky in Ursa Major. It took a series of 342 ...

A Simon Fraser University cosmologist believes his team's new research may bring them a step closer to cracking one of science's biggest questions—the Hubble tension. The quest to determine how fast ...