Mysterious Signal of Hidden Lakes on Mars May Not Be What We Thought

The likelihood of lakes of liquid water hidden under Mars‘ southern polar ice cap is receding before our very eyes. Last year, a paper found that temperatures were likely far too cold for water to remain unfrozen in the region. Now, a new study has found that the radar signal interpreted as liquid water was … Read more

This Adorable Jumping Spider Can’t Actually See Its Own Most Vivid Color

Jumping spiders may have exceptional eyes, but one adorable species seems to have a curious lack in the vision department. New experimental evidence suggests that a jumping spider called Saitis barbipes has no photoreceptors capable of perceiving the color red.   What makes this so strange is that S. barbipes – like many jumping spiders … Read more