Mathematician Offers New Solution to a Fundamental Cosmic Paradox
A thermodynamic analysis of spacetime also points to an unexpected role for emergent dark energy and hints that…
Dark matter may be naturally tuned to a hidden fifth dimension
Dark matter appears to hold galaxies together, yet it has never shown itself directly. A new theory suggests…
Astronomers Have Found a Sugar Molecule in Deep Space for the First Time Ever
For the first time in history, astronomers have detected a sugar molecule floating among the gas clouds of…
Decades-Old Dark Matter Explanation Fails Its Most Direct Test Yet
A decades-old dark matter claim is facing a decisive new challenge. The result clears the way for future…
A cosmic gateway near Earth may connect us to other distant worlds
The solar system sits inside a vast pocket of hot, thin gas. However, that nearby structure has never…
New study reveals how dark matter formed shortly after the Big Bang
Dark matter may not have needed a calm, cold start to help build the universe. For decades, that…
The universe isn’t as uniform as we thought
Modern cosmology rests on a simple assumption: if we look on large enough scales, matter should be distributed…
Astronomers discover faint dwarf galaxy that seems to exist without dark matter
A faint dwarf galaxy drifting 45 million light-years from Earth may have joined one of astronomy’s strangest clubs.…
Detection of anisotropic cosmic structures on a gigaparsec scale
Weinberg, S. Cosmology (Oxford Univ. Press, 2008). Aghanim, N. et al. Planck 2018 results. V. CMB power spectra…
Astronomers Discover a Sleeping Giant: Ancient Black Hole 6 Billion Times the Sun’s Mass
James Webb Space Telescope (JWST) image of the highly distorted red galaxy MRG-M0138 seen through a foreground cluster…
New analysis finds signs of life on Mars actually came from Earth
A pair of stubborn molecules, prized because they can survive deep time, just passed an important Mars test…
Scientists use Einstein’s equations to reveal what came before the Big Bang
Some of the hardest questions in cosmology begin where the usual math gives up. Push Einstein’s theory far…