Smithsonian Magazine on MSN

Jupiter’s Moon Europa Is a Top Candidate for Hosting Alien Life. But It May Lack the Geologic Activity Needed to Birth Microbes

On Earth, deep-sea vents may have given rise to the planet’s first life. But nothing of the sort seems to be happening at the ...
Modern Engineering Marvels on MSN

Interstellar comet 3I/ATLAS challenges cometary physics with puzzling acceleration and chemistry

When an object from outside our star system zooms through our neighborhood in the solar system, it provides a rare ...
Morning Overview on MSN

Astronomers spot something huge creeping through space beside Earth

Astronomers tracking the skies around our planet have picked up two very different cosmic companions: a vast interstellar ...

New Study Confirms Interstellar Comet 3I/ATLAS Is Made of 'Bizarre' Alien Dust

New polarimetry data on interstellar comet 3I/ATLAS reveals bizarre refractory dust, proving this alien visitor formed in a ...