A supernova remnant may have been discovered in the Milky Way
ⓘ NASA – Unsplash An image showing the supernova SN 1993J. Thanks to the Chandra X-ray Observatory, astronomers…
Last Chance To See ‘Planet Parade’ This Weekend Before Mercury Sinks
Topline If you’ve noticed the bright “star” shining low in the west after dark, but not seen the…
Galaxy-killing wind may explain why giant galaxies died so early
A massive galaxy in the early universe seems to be growing itself toward ruin. While it churns out…
Astronomers detect winds from a black hole reaching 30% of the speed of light
ⓘ NASA – Unsplash An illustration showing two black holes. Recently, astronomers have detected powerful winds in a…
Precise measurement of the absolute sky brightness at 60–350 MHz
GINAN receiver with advanced architecture The GINAN receiver implements a new architecture that dynamically self-calibrates for receiver noise…
A Universe Without Dark Energy? Mathematicians Challenge Standard Cosmology
A new analysis argues that the standard cosmological model may be fundamentally unstable, raising questions about whether dark…
Hubble Could Get a New Lease on Life—If NASA Can Afford It
NASA’s Hubble space telescope is running out of time. The aging observatory is slowly being dragged down toward…
Discovery of quasar variability and early accretion disk signatures at cosmic dawn
Fausnaugh, M. M. et al. Space Telescope and Optical Reverberation Mapping Project. III. Optical continuum emission and broadband…
The explosive fate of a collapsing star depends on neutrinos
A dying massive star does not go quietly. Its core collapses, matter crashes inward, neutrinos pour out in…
Record-Breaking Black Hole Wind Blasts Through Space at 30% the Speed of Light
An artist’s impression of a quasar. The black dot in the center represents the supermassive black hole at…
The Moons of Uranus May Hold the Key to Finding Missing Planets
We have an idea of what the solar system’s past was like: It was violent and chaotic. However,…
Interstellar Comet 3I/ATLAS Reveals Strange Chemistry Beyond Our Solar System
This is a Hubble Space Telescope image of the interstellar comet 3I/ATLAS. Hubble photographed the comet on July…