One of the most stubborn issues in cosmology today concerns the universe's rate of expansion. Scientists know it's expanding, ...
Astrophysicists measured the light for exploding stars called supernovae to arrive at the most precise limits yet for the universe's composition - Copyright AFP/File ...
Using the James Webb Space Telescope (JWST), an international team of astronomers has discovered a new Type II supernova. The ...
What we know of the birth of a black hole has traditionally aligned with our perception of black holes themselves: dark, ...
This artist's impression shows, about 22 million light-years away, the supernova SN 2024ggi exploding in the galaxy NGC 3621. (ESO/L. Calçada via SWNS) By Dean Murray Scientists have revealed for the ...
In 1181 AD, a bright "guest star" was observed to linger in the sky for around six months. Nearly 850 years later, the likely remnants of this event were rediscovered and tentatively linked to the ...
The James Webb Space Telescope (JWST) identified the earliest known supernova, occurring 730 million years after the Big Bang, by following up on the gamma-ray burst GRB 250314A detected by the SVOM ...
TL;DR: Northwestern University astrophysicists have made a discovery that challenges current models of stellar evolution. Leading an international team, the researchers detected a previously unseen ...
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