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Darren Orf

Darren Orf

Darren Orf is a freelance writer and editor living in Portland, Oregon, who covers science and the natural world for places like Popular Mechanics, National Geographic and Encyclopedia Britannica, among others.

Stories from this author

Western monarch butterflies bask in the sun on a eucalyptus branch at Lighthouse Field State Beach. In December 2025, researchers placed ultralight radio tags on some monarchs at this site, hoping to track their movements and identify areas to prioritize for the species’ conservation.

Butterflies Are in Dramatic Decline Across North America. A Close Look at the Western Monarch Shows Why

Pesticides, habitat loss and climate change have taken their toll on the beloved insects. But the experts working with them still find hope for their future

The Barry Arm landslide in Alaska’s Prince William Sound

Studying This Slow-Moving Alaskan Landslide May Help Avert Future Disaster

If the landslide at the Barry Arm fjord collapses, its falling ice and rock could generate a devastating 650-foot-high tsunami

A view of the soft-bottomed Los Angeles River below the 400-foot-long Taylor Yard Bridge in Elysian Valley. The newest Taylor Yard parcel, currently fenced off as it undergoes toxic remediation, can be seen on the far right.

How the Arrival of an Endangered Bird Indicates What’s Possible for the L.A. River

Could the waterway that the city was built around make a comeback?