Scientists Develop a New Way To Measure Gravitational Waves in the Expanding Universe
Gravitational waves are typically studied as faint disturbances moving through otherwise quiet spacetime, but the situation becomes far…
Collapsing stars could form gravastars instead of black holes
A black hole is supposed to be the last word in stellar collapse: matter falls inward, spacetime caves…
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…
Astronomers Find Strongest Evidence Yet for Magnetic Fields on Alien Worlds
This illustration shows magnetic activity in an exoplanet. The planet is a gas giant like Jupiter, but it’s…
Ancient Meteorite Reveals a Forgotten Planet That Existed 4.5 Billion Years Ago
An ancient meteorite may be the last surviving remnant of a vanished protoplanet. Credit: Stock A rare meteorite…
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…
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…
Atmospheric asymmetries in WASP-121 b revealed by rotational transits detected with JWST
Observations and data reductionsJWST/NIRSpec G395H observations The JWST observed the ultrahot Jupiter WASP-121 b starting 145 min before the…
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…
VIDEO: Mystery blue streak spotted over southern Queensland – Australian Broadcasting Corporation
VIDEO: Mystery blue streak spotted over southern Queensland Australian Broadcasting Corporation‘What the hell’: Mysterious lights in the sky News.com.auChinese rocket…
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…