Comet 3I/ATLAS, a 7-billion-year-old visitor from another star system, is stirring alien rumors. Scientists explain why the ...
This is the ultimate gift guide for hunters. Check out our expert picks, many of which have been field tested by OL editors.
From early chaos to cosmic symmetry, this part reveals how collisions decreased, orbits stabilized, and the solar system ...
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How the Solar System Became a Cosmic Disc?

Why do all the planets orbit in nearly the same plane? This episode explores the birth of the solar system from a collapsing ...
ESA’s Solar Orbiter captures the first detailed look at the Sun’s poles, revealing fast-moving plasma and magnetic flows.
Physicists have taken the Universe’s temperature, revealing the searing trillion-degree heat of the Big Bang’s first plasma.
KENNEDY SPACE CENTER — SpaceX’s Falcon 9 rocket pierced the Wednesday morning sky as it launched three spacecraft from NASA and NOAA that will study the solar system’s “bubble,” collect information on ...