What: Comet 3I/ATLAS reached perihelion on October 30, 2025. This special SETI Live explored what scientists have learned ...
On October 3, 3I/ATLAS passed within 29 million kilometers of Mars, where it was photographed by the HiRISE camera aboard NASA’s Mars Reconnaissance Orbiter — a rare observation of an interstellar ...
Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a ...
An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course. When ...
Material around Chiron, a small icy world in the far reaches of the solar system, may be taking shape into a ring system of ...
The celestial object nicknamed “Ammonite” is believed to be a relic from the earliest days of the solar system. Photo courtesy Nature Astronomy Scientists using the Subaru Telescope on Maunakea in ...
CAPE CANAVERAL, Fla. — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar system.
A tiny meteorite is rewriting what scientists thought they knew about the origins of our solar system. New evidence found in shavings from a meteorite known as Northwest Africa 12264 — a 50-gram (1.8 ...
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