Is an interstellar comet actually an alien spaceship? A researcher traces how influencers spread such speculation via social ...

A mysterious comet flying through our solar system may be doing more than just passing by-it could help explain how giant planets like Jupiter are born. The comet, named 3I/ATLAS, is only the third ...

Mankind must decide how it’s going to deal with contact with extraterrestrials — and time could be running out, one expert warned — after he sounded the alarm that an incoming interstellar object ...

Is it an interstellar wolf in sheep’s clothing? Earlier this week, the NASA-backed International Asteroid Warning Network (IAWN) launched an emergency defense probe after 3I/ATLAS exhibited unusual ...

3I/ATLAS first made news in July when scientists confirmed it as the third-ever observed interstellar interloper in our solar system. The space object further attracted the public's fascination again ...

This unexpected color raises new questions about the alien chemistry of comets from beyond our solar system. On Sept. 7 2025, the skies darkened as Earth's shadow consumed the moon. Skywatchers in ...

Observing 3I/ATLAS in this active phase will give some of the clearest insights yet into the mystery of interstellar comets. The European Space Agency is making use of spacecraft designed for Mars and ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that won’t return until the next millennium. Comet C/2025 A6 (Lemmon), captured ...