Could time itself actually explain our universe's expansion? Our current cosmological model—known as lambda cold dark matter, ...

"The JWST data is like looking at the universe in high definition for the first time and really improves the signal-to-noise of the measurements,’’ team member and Johns Hopkins University ...

The cosmos may be far older than we once believed, according to startling new data from the James Webb Space Telescope (JWST) ...

This late-time acceleration was discovered in 1998 by two teams of astronomers making distance measurements using supernovas ...

constellation Canes Venatici — as a reference point. The universe is expanding faster than astronomers can explain, according to new data from the James Webb Space Telescope. Building on earlier ...

Astronomers can't agree how fast our cosmos is expanding. A new James Webb Space Telescope study has made the crisis even worse.

Two years of data from NASA's James Webb Space Telescope have now validated the Hubble Space Telescope's earlier finding that the rate of the universe's expansion is faster - by about 8% - than ...

"So Webb confirming Hubble means we are really seeing something amiss in the Universe." The new study, which includes data from two independent groups working to refine the Hubble constant ...

The study authors combined independent data from other teams working to refine ... "The discrepancy between the observed expansion rate of the universe and the predictions of the standard model ...

"The discrepancy between the observed expansion rate of the universe and the predictions ... have corroborated data from its predecessor, the Hubble Space Telescope, to determine something is ...

Dark matter, thought to comprise about 27% of the universe, is a hypothesized form of matter that is invisible but is inferred to exist based on its gravitational effects on ordinary matter - stars, ...