TopSpeed on MSN

Used SUVs That Still Deliver Great Fuel Economy

Choosing a used SUV for fuel economy these days is less about sacrificing utility and more about picking the right drivetrain ...

How sound and light act alike—and not—at the smallest scale

A world-famous light experiment from 1801 has now been carried out with sound for the first time. Research by physicists in ...

Why we saw the northern lights this week: The science behind the Aurora Borealis

TOLEDO, Ohio — If you looked up at the sky Tuesday or Wednesday night, you might’ve seen a stunning glow ripple across the ...

Good Question: Why are Northern Lights colors different depending on where you are?

According to NASA, the variety of colors depends on altitude. At the very top above 120 miles in the air, oxygen atoms glow ...

Optical Illusion: Are These Circles Intersecting Or Perfectly Aligned? What You See Reveals Your Thinking Style

This spiral illusion seems like a chaotic intersection, but the circles never cross! What you perceive first reveals whether you’re an instinctive big-picture thinker or a sharp, detail-oriented ...