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Astronomy & Astrophysics
Astronomy & Astrophysics Heavy Doubts: Giant Rocky Planets May Be Tricks of Restless Stars
Planet formation theory sets a weight limit on rocky worlds. Once a growing planet passes roughly 10 times Earth's mass,...
Astronomy & Astrophysics Bare Rock: Hubble Catches a Rocky Exoplanet Glowing at Full Heat
Most of the scorching rocky planets astronomers have studied turn out to be cooler than they ought to be. Something...
Astronomy & Astrophysics Cosmic Leaf Blower: Hydrogen Light May Explain Bright Early Galaxies
The James Webb Space Telescope (JWST) has a counting problem. When it looks back to the first few hundred million...
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Quick Reads
Quick Reads Five-Minute Gamble: A Solar Flare Alert Helps Time Rocket Launches
Catching a solar flare with a rocket is like photographing lightning with a camera that takes a minute to switch...
Night Sky Highlights Lion’s Share: Meteors and Two Planets Fill the November Night Sky
The best of the November night sky arrives before breakfast. Between now and the third week of the month, two...
Our Planet & Beyond Cold Storage: Small Craters Track Mars Polar Ice Year by Year
Mars keeps a climate archive at its north pole, written in stacked layers of ice and dust. Reading it means...
Astronomy & Astrophysics Close Quarters: Webb Spots Dual Black Holes Feeding in the Young Universe
When galaxies collide, their central black holes should eventually meet too. Close pairs have been confirmed nearby, but in the...
Quick Reads Second Wind: NASA Seeks Ideas for Commercial Hubble Servicing
A telescope with no engine has a lifespan set by the air around it. Even hundreds of kilometres up, faint...
Quick Reads Ultraviolet Return: NASA Confirms the UVEX Space Telescope for 2031
For more than a decade, astronomers have had no dedicated wide-field eye on the ultraviolet sky. Earth's atmosphere blocks this...