Galactic Panspermia: Interstellar Dust Could Transport Life from Star to Star

The theory of Panspermia states that life exists through the cosmos, and is distributed between planets, stars and even galaxies by asteroids, comets, meteors and planetoids. In this respect, life began on Earth about 4 billion years ago after microorganisms hitching a ride on space rocks landed on the surface. Over the years, considerable research […]

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How A Comet-Chasing Spacecraft ‘Likely’ Brought Interstellar Dust Back To Earth

If the scientists are right, a NASA spacecraft brought stuff from outside the solar system back to Earth. The Stardust spacecraft, which was originally tasked with chasing after Comet Wild 2, brought our planet seven grains that look fluffier than expected. While the scientists say that more tests are needed to determine these particles originated […]

How A Comet-Chasing Spacecraft ‘Likely’ Brought Interstellar Dust Back To Earth

If the scientists are right, a NASA spacecraft brought stuff from outside the solar system back to Earth. The Stardust spacecraft, which was originally tasked with chasing after Comet Wild 2, brought our planet seven grains that look fluffier than expected. While the scientists say that more tests are needed to determine these particles originated […]