Today In The Space World on MSN

The Martian trees mystery solved: How dry ice explosions create an alien illusion

In 2010, a NASA satellite image of what looked like "trees" on Mars sparked global speculation. This video uncovers the ...
Today In The Space World on MSNOpinion

The cosmic zoo hypothesis: Are we a galactic nature reserve under alien observation?

What if aliens know we exist but are deliberately hiding? Part 2 delves into the "Cosmic Zoo" and "Galactic Club" hypotheses, ...