Climate change is making fire season worse. Now astronomers are feeling the heat.
Heavenly bodies are always in motion: Pushing back the asteroid probe’s blastoff date could require a new trajectory, longer travel time, and much more power.
The documentary scrutinizes the former NASA administrator’s role during an era of homophobic policies.
The cosmic probe’s long-awaited images will kick off astronomers’ science programs.
The pioneering satellite program has provided the longest continuous document of how fire, global warming, and humanity are remaking our world.
Robots will venture into the sunless depths of lunar craters to find ancient water ice, while studies find hints about how water arrives on rocky worlds.
Scientists show how microbes living in a salty spring near the North Pole might resemble those that could have survived on the Red Planet—or in ocean worlds.
A battle royale called the Smart program has charged teams with a daunting first task: Identify construction sites on Earth using only data from orbiters.
Observations of faraway worlds have forced a near-total rewrite of the story of our solar system.