The James Webb Space Telescope has confirmed 20-year-old Hubble observations that could finally explain how ancient stars can ...

Quasars are awe-inspiring – among the brightest objects in the Universe, behind gamma-ray bursts and supernovae. Unlike other ...

Hubble launched to space on April 24, 1990, aboard the space shuttle Discovery. Since then, the space telescope has captured ...

Now, to the dismay of researchers, a new study designed to double-check the calculated rate of the universe's expansion – ...

Just how long has the universe been around? Scientists estimate the universe is 13.8 billion years old, with an uncertainty ...

Perplexing data in the early 2000s raised questions about how planetary formation began in the universe, and new data from ...

What knocked this black hole over onto its side? It's a cosmic "whodunnit" that NASA scientists using the Hubble and Chandra ...

A NASA Hubble Space Telescope observation program called OPAL (Outer Planet Atmospheres Legacy) obtains long-term baseline observations of Jupiter, Saturn, Uranus, and Neptune in order to ...

New data confirms Hubble's finding and refutes current theories of planet formation in the universe’s early days. Thanks to ...

The disagreement in the rate of expansion of the universe, the Hubble tension, could arise from the fact Earth sits in an ...

The spot we see today isn’t the same one the Italian astronomer Cassini discovered centuries ago, research shows.

But that would mean observations are within the KBC void." There are two ways to calculate the Hubble tension; let's call these "observation" and "theory" (though that's really oversimplified).