How a young Jupiter saved Earth from falling into the Sun

Not all of the solar system’s building blocks formed simultaneously. Some of the first solid bodies, or planetesimals, formed ...

Jupiter’s Gravity May Explain a 4.5-Billion-Year-Old Meteorite Mystery

The early growth of the gas giant carved rings that formed primitive meteorites and shaped the architecture of the inner ...

3I/ATLAS Hype Debunked—NASA Explains Why It Won't Collide With Earth

Interstellar comet 3I/ATLAS is passing safely through our solar system. Learn about its discovery, its distant path, and why ...

Science quiz: Formation of the solar system

Visual: In this diagram, J, S, U, and N are the solar system’s giant planets. What’s the collective name for the objects in ...
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Beyond Our Solar System — Massive Interstellar Object 3I/ATLAS Rewrites The Comet Rulebook

When the interstellar object now known as 3I/ATLAS was discovered this summer by NASA’s ATLAS telescope in Chile, astronomers ...

3I/ATLAS Could Help NASA Prevent an Earth Impact—How This Cosmic Test Works

NASA is studying interstellar object 3I/ATLAS to refine its planetary defence systems, using the comet's rare trajectory as a ...

Astronomers catch rare glimpse of interstellar comet 3I/ATLAS as it flies by Mars

Astronomers just caught a rare glimpse of an interstellar comet as it zoomed past Mars. Images of the object, dubbed 3I/ATLAS, were captured by two of the the European Space Agency's Mars orbiters -- ...