Solar System

Venus' clouds may harbor 'aerial' aliens. MIT scientists reveal

The skies of Venus may contain signatures of alien life, according to scientists at the Massachusetts Institute of Technology.   In the search for alien life, the second planet from our Sun has long been ignored. It's easy to see why: the Ve…

New Auroras Found Glowing in the Skies of Jupiter’s Moons

Researchers reported auroras around Jupiter’s two largest Galilean moons for the first time and found new features in the auroras of volcanic Io and icy Europa. The auroras are visible on the moons during an eclipse, said an author of the studie…

We've Found Possible Signs of Life in Venus's Clouds. Whoa.

Venus is our closest planetary neighbor, and above its oppressive surface, in the clouds, there is a mystery. In the planet's clouds, scientists have discovered traces of phosphine, a substance that may be produced by living organisms. In Ve…

Earth from Mars

This photo from NASA’s Curiosity rover shows the Earth as seen from the surface of Mars, shining brighter than any star in the Martian night sky. Earth is the bright point of light a little left of the image’s center and our moon can be seen just …

How strong is gravity on other planets?

Gravity is a fundamental force of physics, one which we Earthlings tend to take for granted. You can't really blame us. Having evolved over the course of billions of years in Earth's environment, we are used to living with the pull of a ste…

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