Articles by

Nikk Ogasa

What leads rivers to suddenly change course?

Shifting is in a river’s nature. But when a river breaks free of its channel and carves...

Why Hurricane Helene was so devastating

A perfect storm of climate, geologic and geographic conditions have combined to make Hurricane Helene...

A vital ocean current is stable, for now

The ocean’s circulatory system may not be doing as poorly as previously thought. A vital ocean artery...

X-rays from nuclear blasts could defend Earth from asteroids

An asteroid hurtling toward Earth could be deflected without a spacecraft ever touching it. The trick is...

How earthquakes build beefy gold nuggets

When strained by earthquakes, underground networks of quartz veins can generate enough voltage to snatch gold from...