Browsing Tag
astrophysics
41 posts
Stardust trapped in Antarctic ice reveals tens of thousands of years of Solar System’s past
Dominik Koll, Australian National University When you think of outer space, you’re likely picturing stars, planets and moons.…
Astrophysicists use ‘space archaeology’ to trace the history of a spiral galaxy
Lisa Kewley, Smithsonian Institution Billions of years ago, a young spiral galaxy began to grow in a crowded…
Astrophysicists use ‘space archaeology’ to trace the history of a spiral galaxy
This artist’s impression shows the spiral galaxy NGC 1365 colliding and merging with a smaller galaxy. Melissa Weiss/CfA…
One of the biggest stars in the universe might be getting ready to explode
ESO / L. Calçada, CC BY Sara Webb, Swinburne University of Technology One of the largest known stars…
The Viewpoint: New research casts doubt on ‘impossible’ signals from Antarctica
After a dedicated search found no evidence of exotic particles traveling through the planet, the mystery of Antarctica's "impossible" signals only deepens.
10 years ago, gravitational waves changed astronomy. A new discovery shows there’s more to come
Carl Knox, OzGrav, Swinburne University of Technology Simon Stevenson, Swinburne University of Technology Ten years ago, scientists heard…
Scientists use supercomputers to ask: What was before the Big Bang?
Scientists are turning to powerful supercomputer simulations to solve Einstein's equations and finally explore what happened before the Big Bang.
The Viewpoint: A new observatory is assembling the most complete time-lapse record of the night sky ever
Now operational, the Vera C. Rubin Observatory is creating a 10-year movie of the universe to investigate everything from the nature of dark matter to the threat of nearby asteroids.
Head-on ‘Eye of Sauron’ blazar jet solves cosmic neutrino mystery
A rare, head-on view of the blazar PKS 1424+240 reveals how relativistic effects make it a top source of cosmic neutrinos and gamma rays, solving a decade-long mystery.
JWST confirms most distant black hole from early universe
Using the James Webb Space Telescope, astronomers have confirmed the most distant black hole ever found, a behemoth that challenges our understanding of how cosmic giants form so early in the universe's history.