Spacecraft Found on Mars Could Contain Earth Microorganisms

Scientists fear that microorganisms from Mars might spread to Earth, yet substantial natural material from it falls to our planet, including signs of life. Perseverance rover is exploring rocks formed from an ancient lake at Jezero Crater in Arizona, searching for signs of microorganisms and carbon-containing organic molecules. Unfortunately, Perseverance’s instruments cannot guarantee success 100%…

Are There Planets Similar to Earth That Could Host Life?

An ideal planet for hosting life must meet certain conditions; specifically, its star’s habitable zone must allow life to thrive there. It should have a surface where liquid water can gather, as well as an atmosphere which protects its inhabitants from harmful solar radiation. Are there planets similar to our Earth in the universe? Size…

How Many Planet Earths Could Fit Inside the Sun?

The Sun’s gravity holds together our Solar System, keeping planets, asteroids, meteoroids, as well as microscopic debris in orbit around it. At its core lies nuclear fusion processes which turn hydrogen into helium; all this heat makes up our star. This video from BBC Planet Earth series, hosted by David Attenborough. Volume Comparing planet sizes…

A Spacecraft to Neptune and Triton Could Reveal More of What Neptune and Its Moon Triton Are All About

An international mission to Neptune and Triton has long been overdue; such an expedition could shed more light on what these ice giants represent. Like Jupiter, Uranus and Neptune are ice giants; planets with only trace amounts of hydrogen or helium present. But unlike Jupiter, their orbital periods are short enough for missions to Uranus…