CIGaRS I: combined simulation-based inference from type Ia supernovae and host photometry
Unified forward modelling of galaxies and type Ia supernovae CIGaRS is a unified forward model for type Ia…
After 100 Years, Scientists Uncover Hidden Rule Governing Cosmic Rays
Cosmic rays are primarily composed of protons, but also of helium, carbon, oxygen, and iron nuclei. Credit: Chinese…
The Milky Way Has a Hidden Edge and Scientists Finally Mapped It
The Milky Way’s star-forming activity ends about 40,000 light-years from its center, revealed by a surprising pattern in…
A massive and evolved slow-rotating galaxy in the early Universe
Cappellari, M. et al. The SAURON project – X. The orbital anisotropy of elliptical and lenticular galaxies: revisiting…
Asteroid Apophis to pass Earth in 2029 with no impact risk, NASA says
NASA administrator Jared Isaacman discusses Artemis II mission and future of space exploration NASA Administrator Jared Isaacman joins…
Detection of an atmosphere on a trans-Neptunian object beyond Pluto
Mommert, M. et al. TNOs are cool: a survey of the trans-Neptunian region. V. Physical characterization of 18…
A binary star breaks the 100 TeV barrier, rewrites cosmic particle limits
For years, scientists have searched for the sources of the most energetic particles in our galaxy, cosmic rays…
Hidden rules found in Einstein’s spacetime that shape cosmic evolution
Spacetime isn’t supposed to be predictable, but scientists may have just found the rules it cannot break. In…
Asteroid named for Pope Leo XIII highlights Vatican’s longstanding support of science: ‘Faith and science go together’
Pope Leo XIV looks through the main telescope of the Vatican Observatory in Castel Gandolfo, Italy, alongside U.S.…
Horizontal transport as a source of disequilibrium chemistry on the nightside of a hot exoplanet
Showman, A. P., Tan, X. & Parmentier, V. Atmospheric dynamics of hot giant planets and brown dwarfs. Space…
The Universe Is Expanding Too Fast and Scientists Can’t Explain Why
Artist’s interpretation of the cosmic distance ladder — a succession of overlapping methods used to measure distances across…
Webb Space Telescope Uncovers Unexpected Ice Clouds on a Jupiter-Like World
Artist’s impression of the planet Epsilon Indi Ab, with water clouds atop its ammonia-dominated atmosphere. Credit: E. C.…