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Astronomy & Astrophysics
Astronomy & Astrophysics Crowded Field: Rubin Spots a Dwarf Planet Candidate Beyond Pluto
The inventory of the Solar System's largest bodies was meant to be close to finished. Three decades of surveys have...
Astronomy & Astrophysics Fleeting Signal: A Tentative KELT-9b Magnetic Field Detection
Every giant planet in the Solar System wraps itself in a magnetic field, and spacecraft have flown straight through all...
Astronomy & Astrophysics Cosmic Pile-Ups: Stellar Collisions Could Have Seeded Early Black Holes
The James Webb Space Telescope (JWST) keeps turning up black holes that look far too heavy for a universe that...
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Quick Reads
Quick Reads Island Hopping: Lucy Arrives Among Jupiter’s Trojan Asteroids
Jupiter does not travel alone. Two swarms of dark asteroids share its path around the Sun, one running ahead of...
Our Planet & Beyond Long Odds: Comets Make a Poor Courier for the Origins of Life
Comets have long been a favourite suspect in the story of the origins of life on Earth. They are rich...
Quick Reads Clean Bill of Health: Roman Space Telescope Enters Final Commissioning
Building a space telescope is the expensive part. Proving that it works is the slow part, and NASA's Nancy Grace...
Quick Reads Dry Run: A Dragonfly Simulated Flight Rehearses Landing on Titan
Flying a drone on another world is hard enough. Flying one with no pilot, on a moon too far away...
Astronomy & Astrophysics Split Lines: Mid-Infrared Light Tracks a Solar Flare Magnetic Field
A solar flare is magnetism letting go. Tangled fields above a sunspot snap into a simpler shape and release their...
Our Planet & Beyond Out of Shape: Compressed Water Ice Loses Its Cubic Symmetry
Nobody has ever seen most of what Uranus and Neptune are made of. Beneath their blue hazes lie deep layers...